From d3ad06218bb9495ce44e3119003646e7a2371b33 Mon Sep 17 00:00:00 2001
From: Jim Cowart <ashbylane@gmail.com>
Date: Tue, 22 May 2012 14:35:36 -0400
Subject: [PATCH] Fixed bug with subscription priority

---
 example/amd/js/libs/postal/postal.js     | 34 +++++++++++++++---------
 example/amd/js/libs/postal/postal.min.js |  2 +-
 example/node/client/js/lib/postal.js     | 34 +++++++++++++++---------
 example/node/messaging/postal.js         | 34 +++++++++++++++---------
 example/standard/js/postal.js            | 34 +++++++++++++++---------
 example/standard/js/postal.min.js        |  2 +-
 lib/amd/postal.js                        | 34 +++++++++++++++---------
 lib/amd/postal.min.js                    |  2 +-
 lib/node/package.json                    |  2 +-
 lib/node/postal.js                       | 34 +++++++++++++++---------
 lib/standard/postal.js                   | 34 +++++++++++++++---------
 lib/standard/postal.min.js               |  2 +-
 spec/Postal.spec.js                      | 15 +++++++++++
 src/main/LocalBus.js                     | 31 ++++++++++++---------
 src/main/SubscriptionDefinition.js       |  1 +
 src/main/VersionHeader.js                |  2 +-
 16 files changed, 188 insertions(+), 109 deletions(-)

diff --git a/example/amd/js/libs/postal/postal.js b/example/amd/js/libs/postal/postal.js
index af57ef9..8d03df4 100644
--- a/example/amd/js/libs/postal/postal.js
+++ b/example/amd/js/libs/postal/postal.js
@@ -2,7 +2,7 @@
  postal.js
  Author: Jim Cowart
  License: Dual licensed MIT (http://www.opensource.org/licenses/mit-license) & GPL (http://www.opensource.org/licenses/gpl-license)
- Version 0.6.1
+ Version 0.6.2
  */
 
 // This is the amd-module version of postal.js
@@ -192,6 +192,7 @@ SubscriptionDefinition.prototype = {
 			throw "Priority must be a number";
 		}
 		this.priority = priority;
+		postal.configuration.bus.changePriority( this );
 		return this;
 	},
 
@@ -249,6 +250,24 @@ var localBus = {
 		};
 	},
 
+	changePriority: function ( subDef ) {
+		var idx, found;
+		if(this.subscriptions[subDef.channel] && this.subscriptions[subDef.channel][subDef.topic]) {
+			this.subscriptions[subDef.channel][subDef.topic] = _.without(this.subscriptions[subDef.channel][subDef.topic], subDef);
+			idx = this.subscriptions[subDef.channel][subDef.topic].length - 1;
+			for ( ; idx >= 0; idx-- ) {
+				if ( this.subscriptions[subDef.channel][subDef.topic][idx].priority <= subDef.priority ) {
+					this.subscriptions[subDef.channel][subDef.topic].splice( idx + 1, 0, subDef );
+					found = true;
+					break;
+				}
+			}
+			if ( !found ) {
+				this.subscriptions[subDef.channel][subDef.topic].unshift( subDef );
+			}
+		}
+	},
+
 	publish : function ( envelope ) {
 		_.each( this.wireTaps, function ( tap ) {
 			tap( envelope.data, envelope );
@@ -293,18 +312,7 @@ var localBus = {
 		if ( !subs ) {
 			subs = this.subscriptions[subDef.channel][subDef.topic] = new Array( 0 );
 		}
-
-		idx = subs.length - 1;
-		for ( ; idx >= 0; idx-- ) {
-			if ( subs[idx].priority <= subDef.priority ) {
-				subs.splice( idx + 1, 0, subDef );
-				found = true;
-				break;
-			}
-		}
-		if ( !found ) {
-			subs.unshift( subDef );
-		}
+		subs.push( subDef );
 		return subDef;
 	},
 
diff --git a/example/amd/js/libs/postal/postal.min.js b/example/amd/js/libs/postal/postal.min.js
index a58a803..ac00e16 100644
--- a/example/amd/js/libs/postal/postal.min.js
+++ b/example/amd/js/libs/postal/postal.min.js
@@ -1 +1 @@
-define(["underscore"],function(a,b){var c="/",d=50,e=0,f="postal",g=function(){},h=function(){var b;return function(c){var d=!1;return a.isString(c)?(d=c===b,b=c):(d=a.isEqual(c,b),b=a.clone(c)),!d}},i=function(a,b){this.channel=a||c,this._topic=b||""};i.prototype={subscribe:function(){var a=arguments.length;if(a===1)return new j(this.channel,this._topic,arguments[0]);if(a===2)return new j(this.channel,arguments[0],arguments[1])},publish:function(a){var b=a||{},c={channel:this.channel,topic:this._topic,data:b};return b.topic&&b.data&&(c=b,c.channel=c.channel||this.channel),c.timeStamp=new Date,p.configuration.bus.publish(c),c},topic:function(a){return a===this._topic?this:new i(this.channel,a)}};var j=function(a,b,c){this.channel=a,this.topic=b,this.callback=c,this.priority=d,this.constraints=new Array(0),this.maxCalls=e,this.onHandled=g,this.context=null,p.configuration.bus.publish({channel:f,topic:"subscription.created",timeStamp:new Date,data:{event:"subscription.created",channel:a,topic:b}}),p.configuration.bus.subscribe(this)};j.prototype={unsubscribe:function(){p.configuration.bus.unsubscribe(this),p.configuration.bus.publish({channel:f,topic:"subscription.removed",timeStamp:new Date,data:{event:"subscription.removed",channel:this.channel,topic:this.topic}})},defer:function(){var a=this.callback;return this.callback=function(b){setTimeout(a,0,b)},this},disposeAfter:function(b){if(a.isNaN(b)||b<=0)throw"The value provided to disposeAfter (maxCalls) must be a number greater than zero.";var c=this.onHandled,d=a.after(b,a.bind(function(){this.unsubscribe(this)},this));return this.onHandled=function(){c.apply(this.context,arguments),d()},this},ignoreDuplicates:function(){return this.withConstraint(new h),this},withConstraint:function(b){if(!a.isFunction(b))throw"Predicate constraint must be a function";return this.constraints.push(b),this},withConstraints:function(b){var c=this;return a.isArray(b)&&a.each(b,function(a){c.withConstraint(a)}),c},withContext:function(a){return this.context=a,this},withDebounce:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=a.debounce(c,b),this},withDelay:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=function(a){setTimeout(function(){c(a)},b)},this},withPriority:function(b){if(a.isNaN(b))throw"Priority must be a number";return this.priority=b,this},withThrottle:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=a.throttle(c,b),this},subscribe:function(a){return this.callback=a,this}};var k={cache:{},compare:function(a,b){if(this.cache[b]&&this.cache[b][a])return!0;var c=new RegExp("^"+a.replace(/\./g,"\\.").replace(/\*/g,".*").replace(/#/g,"[A-Z,a-z,0-9]*")+"$"),d=c.test(b);return d&&(this.cache[b]||(this.cache[b]={}),this.cache[b][a]=!0),d},reset:function(){this.cache={}}},l={addWireTap:function(a){var b=this;return b.wireTaps.push(a),function(){var c=b.wireTaps.indexOf(a);c!==-1&&b.wireTaps.splice(c,1)}},publish:function(b){a.each(this.wireTaps,function(a){a(b.data,b)}),a.each(this.subscriptions[b.channel],function(c){a.each(c,function(c){p.configuration.resolver.compare(c.topic,b.topic)&&a.all(c.constraints,function(a){return a(b.data,b)})&&typeof c.callback=="function"&&(c.callback.apply(c.context,[b.data,b]),c.onHandled())})})},reset:function(){this.subscriptions&&(a.each(this.subscriptions,function(b){a.each(b,function(a){while(a.length)a.pop().unsubscribe()})}),this.subscriptions={})},subscribe:function(a){var b,c,d,e=this.subscriptions[a.channel],f;e||(e=this.subscriptions[a.channel]={}),f=this.subscriptions[a.channel][a.topic],f||(f=this.subscriptions[a.channel][a.topic]=new Array(0)),b=f.length-1;for(;b>=0;b--)if(f[b].priority<=a.priority){f.splice(b+1,0,a),c=!0;break}return c||f.unshift(a),a},subscriptions:{},wireTaps:new Array(0),unsubscribe:function(a){if(this.subscriptions[a.channel][a.topic]){var b=this.subscriptions[a.channel][a.topic].length,c=0;for(;c<b;c++)if(this.subscriptions[a.channel][a.topic][c]===a){this.subscriptions[a.channel][a.topic].splice(c,1);break}}}},m={1:function(a){if(!a)throw new Error("publishing from the 'global' postal.publish call requires a valid envelope.");return a.channel=a.channel||c,a.timeStamp=new Date,p.configuration.bus.publish(a),a},2:function(a,b){var d={channel:c,topic:a,timeStamp:new Date,data:b};return p.configuration.bus.publish(d),d},3:function(a,b,c){var d={channel:a,topic:b,timeStamp:new Date,data:c};return p.configuration.bus.publish(d),d}},n={1:function(a){var b=a,d,e={};return Object.prototype.toString.call(b)==="[object String]"?(b=c,d=a):(b=a.channel||c,d=a.topic,e=a.options||e),new p.channelTypes[e.type||"local"](b,d)},2:function(a,b){var d=a,e=b,f={};return Object.prototype.toString.call(b)==="[object Object]"&&(d=c,e=a,f=b),new p.channelTypes[f.type||"local"](d,e)},3:function(a,b,c){return new p.channelTypes[c.type||"local"](a,b)}},o={};l.subscriptions[f]={};var p={configuration:{bus:l,resolver:k,DEFAULT_CHANNEL:c,DEFAULT_PRIORITY:d,DEFAULT_DISPOSEAFTER:e,SYSTEM_CHANNEL:f},channelTypes:{local:i},channel:function(){var a=arguments.length;if(n[a])return n[a].apply(this,arguments)},subscribe:function(a){var b=a.callback,d=a.topic,e=a.channel||c;return new j(e,d,b)},publish:function(){var a=arguments.length;if(m[a])return m[a].apply(this,arguments)},addWireTap:function(a){return this.configuration.bus.addWireTap(a)},linkChannels:function(b,d){var e=[];return a.isArray(b)||(b=[b]),a.isArray(d)||(d=[d]),a.each(b,function(b){var f=b.topic||"*";a.each(d,function(d){var f=d.channel||c;e.push(p.subscribe({channel:b.channel||c,topic:b.topic||"*",callback:function(b,c){var e=c;e.topic=a.isFunction(d.topic)?d.topic(c.topic):d.topic||c.topic,e.channel=f,e.data=b,p.publish(e)}}))})}),e},utils:{getSubscribersFor:function(){var a=arguments[0],b=arguments[1],c=[];return arguments.length===1&&(Object.prototype.toString.call(a)==="[object String]"?(a=p.configuration.DEFAULT_CHANNEL,b=arguments[0]):(a=arguments[0].channel||p.configuration.DEFAULT_CHANNEL,b=arguments[0].topic)),p.configuration.bus.subscriptions[a]&&p.configuration.bus.subscriptions[a].hasOwnProperty(b)&&(c=p.configuration.bus.subscriptions[a][b]),c},reset:function(){p.configuration.bus.reset(),p.configuration.resolver.reset()}}};return p})
\ No newline at end of file
+define(["underscore"],function(a,b){var c="/",d=50,e=0,f="postal",g=function(){},h=function(){var b;return function(c){var d=!1;return a.isString(c)?(d=c===b,b=c):(d=a.isEqual(c,b),b=a.clone(c)),!d}},i=function(a,b){this.channel=a||c,this._topic=b||""};i.prototype={subscribe:function(){var a=arguments.length;if(a===1)return new j(this.channel,this._topic,arguments[0]);if(a===2)return new j(this.channel,arguments[0],arguments[1])},publish:function(a){var b=a||{},c={channel:this.channel,topic:this._topic,data:b};return b.topic&&b.data&&(c=b,c.channel=c.channel||this.channel),c.timeStamp=new Date,p.configuration.bus.publish(c),c},topic:function(a){return a===this._topic?this:new i(this.channel,a)}};var j=function(a,b,c){this.channel=a,this.topic=b,this.callback=c,this.priority=d,this.constraints=new Array(0),this.maxCalls=e,this.onHandled=g,this.context=null,p.configuration.bus.publish({channel:f,topic:"subscription.created",timeStamp:new Date,data:{event:"subscription.created",channel:a,topic:b}}),p.configuration.bus.subscribe(this)};j.prototype={unsubscribe:function(){p.configuration.bus.unsubscribe(this),p.configuration.bus.publish({channel:f,topic:"subscription.removed",timeStamp:new Date,data:{event:"subscription.removed",channel:this.channel,topic:this.topic}})},defer:function(){var a=this.callback;return this.callback=function(b){setTimeout(a,0,b)},this},disposeAfter:function(b){if(a.isNaN(b)||b<=0)throw"The value provided to disposeAfter (maxCalls) must be a number greater than zero.";var c=this.onHandled,d=a.after(b,a.bind(function(){this.unsubscribe(this)},this));return this.onHandled=function(){c.apply(this.context,arguments),d()},this},ignoreDuplicates:function(){return this.withConstraint(new h),this},withConstraint:function(b){if(!a.isFunction(b))throw"Predicate constraint must be a function";return this.constraints.push(b),this},withConstraints:function(b){var c=this;return a.isArray(b)&&a.each(b,function(a){c.withConstraint(a)}),c},withContext:function(a){return this.context=a,this},withDebounce:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=a.debounce(c,b),this},withDelay:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=function(a){setTimeout(function(){c(a)},b)},this},withPriority:function(b){if(a.isNaN(b))throw"Priority must be a number";return this.priority=b,p.configuration.bus.changePriority(this),this},withThrottle:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=a.throttle(c,b),this},subscribe:function(a){return this.callback=a,this}};var k={cache:{},compare:function(a,b){if(this.cache[b]&&this.cache[b][a])return!0;var c=new RegExp("^"+a.replace(/\./g,"\\.").replace(/\*/g,".*").replace(/#/g,"[A-Z,a-z,0-9]*")+"$"),d=c.test(b);return d&&(this.cache[b]||(this.cache[b]={}),this.cache[b][a]=!0),d},reset:function(){this.cache={}}},l={addWireTap:function(a){var b=this;return b.wireTaps.push(a),function(){var c=b.wireTaps.indexOf(a);c!==-1&&b.wireTaps.splice(c,1)}},changePriority:function(b){var c,d;if(this.subscriptions[b.channel]&&this.subscriptions[b.channel][b.topic]){this.subscriptions[b.channel][b.topic]=a.without(this.subscriptions[b.channel][b.topic],b),c=this.subscriptions[b.channel][b.topic].length-1;for(;c>=0;c--)if(this.subscriptions[b.channel][b.topic][c].priority<=b.priority){this.subscriptions[b.channel][b.topic].splice(c+1,0,b),d=!0;break}d||this.subscriptions[b.channel][b.topic].unshift(b)}},publish:function(b){a.each(this.wireTaps,function(a){a(b.data,b)}),a.each(this.subscriptions[b.channel],function(c){a.each(c,function(c){p.configuration.resolver.compare(c.topic,b.topic)&&a.all(c.constraints,function(a){return a(b.data,b)})&&typeof c.callback=="function"&&(c.callback.apply(c.context,[b.data,b]),c.onHandled())})})},reset:function(){this.subscriptions&&(a.each(this.subscriptions,function(b){a.each(b,function(a){while(a.length)a.pop().unsubscribe()})}),this.subscriptions={})},subscribe:function(a){var b,c,d,e=this.subscriptions[a.channel],f;return e||(e=this.subscriptions[a.channel]={}),f=this.subscriptions[a.channel][a.topic],f||(f=this.subscriptions[a.channel][a.topic]=new Array(0)),f.push(a),a},subscriptions:{},wireTaps:new Array(0),unsubscribe:function(a){if(this.subscriptions[a.channel][a.topic]){var b=this.subscriptions[a.channel][a.topic].length,c=0;for(;c<b;c++)if(this.subscriptions[a.channel][a.topic][c]===a){this.subscriptions[a.channel][a.topic].splice(c,1);break}}}},m={1:function(a){if(!a)throw new Error("publishing from the 'global' postal.publish call requires a valid envelope.");return a.channel=a.channel||c,a.timeStamp=new Date,p.configuration.bus.publish(a),a},2:function(a,b){var d={channel:c,topic:a,timeStamp:new Date,data:b};return p.configuration.bus.publish(d),d},3:function(a,b,c){var d={channel:a,topic:b,timeStamp:new Date,data:c};return p.configuration.bus.publish(d),d}},n={1:function(a){var b=a,d,e={};return Object.prototype.toString.call(b)==="[object String]"?(b=c,d=a):(b=a.channel||c,d=a.topic,e=a.options||e),new p.channelTypes[e.type||"local"](b,d)},2:function(a,b){var d=a,e=b,f={};return Object.prototype.toString.call(b)==="[object Object]"&&(d=c,e=a,f=b),new p.channelTypes[f.type||"local"](d,e)},3:function(a,b,c){return new p.channelTypes[c.type||"local"](a,b)}},o={};l.subscriptions[f]={};var p={configuration:{bus:l,resolver:k,DEFAULT_CHANNEL:c,DEFAULT_PRIORITY:d,DEFAULT_DISPOSEAFTER:e,SYSTEM_CHANNEL:f},channelTypes:{local:i},channel:function(){var a=arguments.length;if(n[a])return n[a].apply(this,arguments)},subscribe:function(a){var b=a.callback,d=a.topic,e=a.channel||c;return new j(e,d,b)},publish:function(){var a=arguments.length;if(m[a])return m[a].apply(this,arguments)},addWireTap:function(a){return this.configuration.bus.addWireTap(a)},linkChannels:function(b,d){var e=[];return a.isArray(b)||(b=[b]),a.isArray(d)||(d=[d]),a.each(b,function(b){var f=b.topic||"*";a.each(d,function(d){var f=d.channel||c;e.push(p.subscribe({channel:b.channel||c,topic:b.topic||"*",callback:function(b,c){var e=c;e.topic=a.isFunction(d.topic)?d.topic(c.topic):d.topic||c.topic,e.channel=f,e.data=b,p.publish(e)}}))})}),e},utils:{getSubscribersFor:function(){var a=arguments[0],b=arguments[1],c=[];return arguments.length===1&&(Object.prototype.toString.call(a)==="[object String]"?(a=p.configuration.DEFAULT_CHANNEL,b=arguments[0]):(a=arguments[0].channel||p.configuration.DEFAULT_CHANNEL,b=arguments[0].topic)),p.configuration.bus.subscriptions[a]&&p.configuration.bus.subscriptions[a].hasOwnProperty(b)&&(c=p.configuration.bus.subscriptions[a][b]),c},reset:function(){p.configuration.bus.reset(),p.configuration.resolver.reset()}}};return p})
\ No newline at end of file
diff --git a/example/node/client/js/lib/postal.js b/example/node/client/js/lib/postal.js
index af57ef9..8d03df4 100644
--- a/example/node/client/js/lib/postal.js
+++ b/example/node/client/js/lib/postal.js
@@ -2,7 +2,7 @@
  postal.js
  Author: Jim Cowart
  License: Dual licensed MIT (http://www.opensource.org/licenses/mit-license) & GPL (http://www.opensource.org/licenses/gpl-license)
- Version 0.6.1
+ Version 0.6.2
  */
 
 // This is the amd-module version of postal.js
@@ -192,6 +192,7 @@ SubscriptionDefinition.prototype = {
 			throw "Priority must be a number";
 		}
 		this.priority = priority;
+		postal.configuration.bus.changePriority( this );
 		return this;
 	},
 
@@ -249,6 +250,24 @@ var localBus = {
 		};
 	},
 
+	changePriority: function ( subDef ) {
+		var idx, found;
+		if(this.subscriptions[subDef.channel] && this.subscriptions[subDef.channel][subDef.topic]) {
+			this.subscriptions[subDef.channel][subDef.topic] = _.without(this.subscriptions[subDef.channel][subDef.topic], subDef);
+			idx = this.subscriptions[subDef.channel][subDef.topic].length - 1;
+			for ( ; idx >= 0; idx-- ) {
+				if ( this.subscriptions[subDef.channel][subDef.topic][idx].priority <= subDef.priority ) {
+					this.subscriptions[subDef.channel][subDef.topic].splice( idx + 1, 0, subDef );
+					found = true;
+					break;
+				}
+			}
+			if ( !found ) {
+				this.subscriptions[subDef.channel][subDef.topic].unshift( subDef );
+			}
+		}
+	},
+
 	publish : function ( envelope ) {
 		_.each( this.wireTaps, function ( tap ) {
 			tap( envelope.data, envelope );
@@ -293,18 +312,7 @@ var localBus = {
 		if ( !subs ) {
 			subs = this.subscriptions[subDef.channel][subDef.topic] = new Array( 0 );
 		}
-
-		idx = subs.length - 1;
-		for ( ; idx >= 0; idx-- ) {
-			if ( subs[idx].priority <= subDef.priority ) {
-				subs.splice( idx + 1, 0, subDef );
-				found = true;
-				break;
-			}
-		}
-		if ( !found ) {
-			subs.unshift( subDef );
-		}
+		subs.push( subDef );
 		return subDef;
 	},
 
diff --git a/example/node/messaging/postal.js b/example/node/messaging/postal.js
index d5e8f09..ea78e74 100644
--- a/example/node/messaging/postal.js
+++ b/example/node/messaging/postal.js
@@ -2,7 +2,7 @@
  postal.js
  Author: Jim Cowart
  License: Dual licensed MIT (http://www.opensource.org/licenses/mit-license) & GPL (http://www.opensource.org/licenses/gpl-license)
- Version 0.6.1
+ Version 0.6.2
  */
 
 // This is the node.js version of postal.js
@@ -192,6 +192,7 @@ SubscriptionDefinition.prototype = {
 			throw "Priority must be a number";
 		}
 		this.priority = priority;
+		postal.configuration.bus.changePriority( this );
 		return this;
 	},
 
@@ -249,6 +250,24 @@ var localBus = {
 		};
 	},
 
+	changePriority: function ( subDef ) {
+		var idx, found;
+		if(this.subscriptions[subDef.channel] && this.subscriptions[subDef.channel][subDef.topic]) {
+			this.subscriptions[subDef.channel][subDef.topic] = _.without(this.subscriptions[subDef.channel][subDef.topic], subDef);
+			idx = this.subscriptions[subDef.channel][subDef.topic].length - 1;
+			for ( ; idx >= 0; idx-- ) {
+				if ( this.subscriptions[subDef.channel][subDef.topic][idx].priority <= subDef.priority ) {
+					this.subscriptions[subDef.channel][subDef.topic].splice( idx + 1, 0, subDef );
+					found = true;
+					break;
+				}
+			}
+			if ( !found ) {
+				this.subscriptions[subDef.channel][subDef.topic].unshift( subDef );
+			}
+		}
+	},
+
 	publish : function ( envelope ) {
 		_.each( this.wireTaps, function ( tap ) {
 			tap( envelope.data, envelope );
@@ -293,18 +312,7 @@ var localBus = {
 		if ( !subs ) {
 			subs = this.subscriptions[subDef.channel][subDef.topic] = new Array( 0 );
 		}
-
-		idx = subs.length - 1;
-		for ( ; idx >= 0; idx-- ) {
-			if ( subs[idx].priority <= subDef.priority ) {
-				subs.splice( idx + 1, 0, subDef );
-				found = true;
-				break;
-			}
-		}
-		if ( !found ) {
-			subs.unshift( subDef );
-		}
+		subs.push( subDef );
 		return subDef;
 	},
 
diff --git a/example/standard/js/postal.js b/example/standard/js/postal.js
index 8621c7e..8e4377b 100644
--- a/example/standard/js/postal.js
+++ b/example/standard/js/postal.js
@@ -2,7 +2,7 @@
  postal.js
  Author: Jim Cowart
  License: Dual licensed MIT (http://www.opensource.org/licenses/mit-license) & GPL (http://www.opensource.org/licenses/gpl-license)
- Version 0.6.1
+ Version 0.6.2
  */
 
 // This is the standard lib version of postal.js
@@ -192,6 +192,7 @@ SubscriptionDefinition.prototype = {
 			throw "Priority must be a number";
 		}
 		this.priority = priority;
+		postal.configuration.bus.changePriority( this );
 		return this;
 	},
 
@@ -249,6 +250,24 @@ var localBus = {
 		};
 	},
 
+	changePriority: function ( subDef ) {
+		var idx, found;
+		if(this.subscriptions[subDef.channel] && this.subscriptions[subDef.channel][subDef.topic]) {
+			this.subscriptions[subDef.channel][subDef.topic] = _.without(this.subscriptions[subDef.channel][subDef.topic], subDef);
+			idx = this.subscriptions[subDef.channel][subDef.topic].length - 1;
+			for ( ; idx >= 0; idx-- ) {
+				if ( this.subscriptions[subDef.channel][subDef.topic][idx].priority <= subDef.priority ) {
+					this.subscriptions[subDef.channel][subDef.topic].splice( idx + 1, 0, subDef );
+					found = true;
+					break;
+				}
+			}
+			if ( !found ) {
+				this.subscriptions[subDef.channel][subDef.topic].unshift( subDef );
+			}
+		}
+	},
+
 	publish : function ( envelope ) {
 		_.each( this.wireTaps, function ( tap ) {
 			tap( envelope.data, envelope );
@@ -293,18 +312,7 @@ var localBus = {
 		if ( !subs ) {
 			subs = this.subscriptions[subDef.channel][subDef.topic] = new Array( 0 );
 		}
-
-		idx = subs.length - 1;
-		for ( ; idx >= 0; idx-- ) {
-			if ( subs[idx].priority <= subDef.priority ) {
-				subs.splice( idx + 1, 0, subDef );
-				found = true;
-				break;
-			}
-		}
-		if ( !found ) {
-			subs.unshift( subDef );
-		}
+		subs.push( subDef );
 		return subDef;
 	},
 
diff --git a/example/standard/js/postal.min.js b/example/standard/js/postal.min.js
index a03bee4..57b2d1c 100644
--- a/example/standard/js/postal.min.js
+++ b/example/standard/js/postal.min.js
@@ -1 +1 @@
-(function(a,b,c){var d="/",e=50,f=0,g="postal",h=function(){},i=function(){var b;return function(c){var d=!1;return a.isString(c)?(d=c===b,b=c):(d=a.isEqual(c,b),b=a.clone(c)),!d}},j=function(a,b){this.channel=a||d,this._topic=b||""};j.prototype={subscribe:function(){var a=arguments.length;if(a===1)return new k(this.channel,this._topic,arguments[0]);if(a===2)return new k(this.channel,arguments[0],arguments[1])},publish:function(a){var b=a||{},c={channel:this.channel,topic:this._topic,data:b};return b.topic&&b.data&&(c=b,c.channel=c.channel||this.channel),c.timeStamp=new Date,q.configuration.bus.publish(c),c},topic:function(a){return a===this._topic?this:new j(this.channel,a)}};var k=function(a,b,c){this.channel=a,this.topic=b,this.callback=c,this.priority=e,this.constraints=new Array(0),this.maxCalls=f,this.onHandled=h,this.context=null,q.configuration.bus.publish({channel:g,topic:"subscription.created",timeStamp:new Date,data:{event:"subscription.created",channel:a,topic:b}}),q.configuration.bus.subscribe(this)};k.prototype={unsubscribe:function(){q.configuration.bus.unsubscribe(this),q.configuration.bus.publish({channel:g,topic:"subscription.removed",timeStamp:new Date,data:{event:"subscription.removed",channel:this.channel,topic:this.topic}})},defer:function(){var a=this.callback;return this.callback=function(b){setTimeout(a,0,b)},this},disposeAfter:function(b){if(a.isNaN(b)||b<=0)throw"The value provided to disposeAfter (maxCalls) must be a number greater than zero.";var c=this.onHandled,d=a.after(b,a.bind(function(){this.unsubscribe(this)},this));return this.onHandled=function(){c.apply(this.context,arguments),d()},this},ignoreDuplicates:function(){return this.withConstraint(new i),this},withConstraint:function(b){if(!a.isFunction(b))throw"Predicate constraint must be a function";return this.constraints.push(b),this},withConstraints:function(b){var c=this;return a.isArray(b)&&a.each(b,function(a){c.withConstraint(a)}),c},withContext:function(a){return this.context=a,this},withDebounce:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=a.debounce(c,b),this},withDelay:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=function(a){setTimeout(function(){c(a)},b)},this},withPriority:function(b){if(a.isNaN(b))throw"Priority must be a number";return this.priority=b,this},withThrottle:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=a.throttle(c,b),this},subscribe:function(a){return this.callback=a,this}};var l={cache:{},compare:function(a,b){if(this.cache[b]&&this.cache[b][a])return!0;var c=new RegExp("^"+a.replace(/\./g,"\\.").replace(/\*/g,".*").replace(/#/g,"[A-Z,a-z,0-9]*")+"$"),d=c.test(b);return d&&(this.cache[b]||(this.cache[b]={}),this.cache[b][a]=!0),d},reset:function(){this.cache={}}},m={addWireTap:function(a){var b=this;return b.wireTaps.push(a),function(){var c=b.wireTaps.indexOf(a);c!==-1&&b.wireTaps.splice(c,1)}},publish:function(b){a.each(this.wireTaps,function(a){a(b.data,b)}),a.each(this.subscriptions[b.channel],function(c){a.each(c,function(c){q.configuration.resolver.compare(c.topic,b.topic)&&a.all(c.constraints,function(a){return a(b.data,b)})&&typeof c.callback=="function"&&(c.callback.apply(c.context,[b.data,b]),c.onHandled())})})},reset:function(){this.subscriptions&&(a.each(this.subscriptions,function(b){a.each(b,function(a){while(a.length)a.pop().unsubscribe()})}),this.subscriptions={})},subscribe:function(a){var b,c,d,e=this.subscriptions[a.channel],f;e||(e=this.subscriptions[a.channel]={}),f=this.subscriptions[a.channel][a.topic],f||(f=this.subscriptions[a.channel][a.topic]=new Array(0)),b=f.length-1;for(;b>=0;b--)if(f[b].priority<=a.priority){f.splice(b+1,0,a),c=!0;break}return c||f.unshift(a),a},subscriptions:{},wireTaps:new Array(0),unsubscribe:function(a){if(this.subscriptions[a.channel][a.topic]){var b=this.subscriptions[a.channel][a.topic].length,c=0;for(;c<b;c++)if(this.subscriptions[a.channel][a.topic][c]===a){this.subscriptions[a.channel][a.topic].splice(c,1);break}}}},n={1:function(a){if(!a)throw new Error("publishing from the 'global' postal.publish call requires a valid envelope.");return a.channel=a.channel||d,a.timeStamp=new Date,q.configuration.bus.publish(a),a},2:function(a,b){var c={channel:d,topic:a,timeStamp:new Date,data:b};return q.configuration.bus.publish(c),c},3:function(a,b,c){var d={channel:a,topic:b,timeStamp:new Date,data:c};return q.configuration.bus.publish(d),d}},o={1:function(a){var b=a,c,e={};return Object.prototype.toString.call(b)==="[object String]"?(b=d,c=a):(b=a.channel||d,c=a.topic,e=a.options||e),new q.channelTypes[e.type||"local"](b,c)},2:function(a,b){var c=a,e=b,f={};return Object.prototype.toString.call(b)==="[object Object]"&&(c=d,e=a,f=b),new q.channelTypes[f.type||"local"](c,e)},3:function(a,b,c){return new q.channelTypes[c.type||"local"](a,b)}},p={};m.subscriptions[g]={};var q={configuration:{bus:m,resolver:l,DEFAULT_CHANNEL:d,DEFAULT_PRIORITY:e,DEFAULT_DISPOSEAFTER:f,SYSTEM_CHANNEL:g},channelTypes:{local:j},channel:function(){var a=arguments.length;if(o[a])return o[a].apply(this,arguments)},subscribe:function(a){var b=a.callback,c=a.topic,e=a.channel||d;return new k(e,c,b)},publish:function(){var a=arguments.length;if(n[a])return n[a].apply(this,arguments)},addWireTap:function(a){return this.configuration.bus.addWireTap(a)},linkChannels:function(b,c){var e=[];return a.isArray(b)||(b=[b]),a.isArray(c)||(c=[c]),a.each(b,function(b){var f=b.topic||"*";a.each(c,function(c){var f=c.channel||d;e.push(q.subscribe({channel:b.channel||d,topic:b.topic||"*",callback:function(b,d){var e=d;e.topic=a.isFunction(c.topic)?c.topic(d.topic):c.topic||d.topic,e.channel=f,e.data=b,q.publish(e)}}))})}),e},utils:{getSubscribersFor:function(){var a=arguments[0],b=arguments[1],c=[];return arguments.length===1&&(Object.prototype.toString.call(a)==="[object String]"?(a=q.configuration.DEFAULT_CHANNEL,b=arguments[0]):(a=arguments[0].channel||q.configuration.DEFAULT_CHANNEL,b=arguments[0].topic)),q.configuration.bus.subscriptions[a]&&q.configuration.bus.subscriptions[a].hasOwnProperty(b)&&(c=q.configuration.bus.subscriptions[a][b]),c},reset:function(){q.configuration.bus.reset(),q.configuration.resolver.reset()}}};b.postal=q})(_,window)
\ No newline at end of file
+(function(a,b,c){var d="/",e=50,f=0,g="postal",h=function(){},i=function(){var b;return function(c){var d=!1;return a.isString(c)?(d=c===b,b=c):(d=a.isEqual(c,b),b=a.clone(c)),!d}},j=function(a,b){this.channel=a||d,this._topic=b||""};j.prototype={subscribe:function(){var a=arguments.length;if(a===1)return new k(this.channel,this._topic,arguments[0]);if(a===2)return new k(this.channel,arguments[0],arguments[1])},publish:function(a){var b=a||{},c={channel:this.channel,topic:this._topic,data:b};return b.topic&&b.data&&(c=b,c.channel=c.channel||this.channel),c.timeStamp=new Date,q.configuration.bus.publish(c),c},topic:function(a){return a===this._topic?this:new j(this.channel,a)}};var k=function(a,b,c){this.channel=a,this.topic=b,this.callback=c,this.priority=e,this.constraints=new Array(0),this.maxCalls=f,this.onHandled=h,this.context=null,q.configuration.bus.publish({channel:g,topic:"subscription.created",timeStamp:new Date,data:{event:"subscription.created",channel:a,topic:b}}),q.configuration.bus.subscribe(this)};k.prototype={unsubscribe:function(){q.configuration.bus.unsubscribe(this),q.configuration.bus.publish({channel:g,topic:"subscription.removed",timeStamp:new Date,data:{event:"subscription.removed",channel:this.channel,topic:this.topic}})},defer:function(){var a=this.callback;return this.callback=function(b){setTimeout(a,0,b)},this},disposeAfter:function(b){if(a.isNaN(b)||b<=0)throw"The value provided to disposeAfter (maxCalls) must be a number greater than zero.";var c=this.onHandled,d=a.after(b,a.bind(function(){this.unsubscribe(this)},this));return this.onHandled=function(){c.apply(this.context,arguments),d()},this},ignoreDuplicates:function(){return this.withConstraint(new i),this},withConstraint:function(b){if(!a.isFunction(b))throw"Predicate constraint must be a function";return this.constraints.push(b),this},withConstraints:function(b){var c=this;return a.isArray(b)&&a.each(b,function(a){c.withConstraint(a)}),c},withContext:function(a){return this.context=a,this},withDebounce:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=a.debounce(c,b),this},withDelay:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=function(a){setTimeout(function(){c(a)},b)},this},withPriority:function(b){if(a.isNaN(b))throw"Priority must be a number";return this.priority=b,q.configuration.bus.changePriority(this),this},withThrottle:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=a.throttle(c,b),this},subscribe:function(a){return this.callback=a,this}};var l={cache:{},compare:function(a,b){if(this.cache[b]&&this.cache[b][a])return!0;var c=new RegExp("^"+a.replace(/\./g,"\\.").replace(/\*/g,".*").replace(/#/g,"[A-Z,a-z,0-9]*")+"$"),d=c.test(b);return d&&(this.cache[b]||(this.cache[b]={}),this.cache[b][a]=!0),d},reset:function(){this.cache={}}},m={addWireTap:function(a){var b=this;return b.wireTaps.push(a),function(){var c=b.wireTaps.indexOf(a);c!==-1&&b.wireTaps.splice(c,1)}},changePriority:function(b){var c,d;if(this.subscriptions[b.channel]&&this.subscriptions[b.channel][b.topic]){this.subscriptions[b.channel][b.topic]=a.without(this.subscriptions[b.channel][b.topic],b),c=this.subscriptions[b.channel][b.topic].length-1;for(;c>=0;c--)if(this.subscriptions[b.channel][b.topic][c].priority<=b.priority){this.subscriptions[b.channel][b.topic].splice(c+1,0,b),d=!0;break}d||this.subscriptions[b.channel][b.topic].unshift(b)}},publish:function(b){a.each(this.wireTaps,function(a){a(b.data,b)}),a.each(this.subscriptions[b.channel],function(c){a.each(c,function(c){q.configuration.resolver.compare(c.topic,b.topic)&&a.all(c.constraints,function(a){return a(b.data,b)})&&typeof c.callback=="function"&&(c.callback.apply(c.context,[b.data,b]),c.onHandled())})})},reset:function(){this.subscriptions&&(a.each(this.subscriptions,function(b){a.each(b,function(a){while(a.length)a.pop().unsubscribe()})}),this.subscriptions={})},subscribe:function(a){var b,c,d,e=this.subscriptions[a.channel],f;return e||(e=this.subscriptions[a.channel]={}),f=this.subscriptions[a.channel][a.topic],f||(f=this.subscriptions[a.channel][a.topic]=new Array(0)),f.push(a),a},subscriptions:{},wireTaps:new Array(0),unsubscribe:function(a){if(this.subscriptions[a.channel][a.topic]){var b=this.subscriptions[a.channel][a.topic].length,c=0;for(;c<b;c++)if(this.subscriptions[a.channel][a.topic][c]===a){this.subscriptions[a.channel][a.topic].splice(c,1);break}}}},n={1:function(a){if(!a)throw new Error("publishing from the 'global' postal.publish call requires a valid envelope.");return a.channel=a.channel||d,a.timeStamp=new Date,q.configuration.bus.publish(a),a},2:function(a,b){var c={channel:d,topic:a,timeStamp:new Date,data:b};return q.configuration.bus.publish(c),c},3:function(a,b,c){var d={channel:a,topic:b,timeStamp:new Date,data:c};return q.configuration.bus.publish(d),d}},o={1:function(a){var b=a,c,e={};return Object.prototype.toString.call(b)==="[object String]"?(b=d,c=a):(b=a.channel||d,c=a.topic,e=a.options||e),new q.channelTypes[e.type||"local"](b,c)},2:function(a,b){var c=a,e=b,f={};return Object.prototype.toString.call(b)==="[object Object]"&&(c=d,e=a,f=b),new q.channelTypes[f.type||"local"](c,e)},3:function(a,b,c){return new q.channelTypes[c.type||"local"](a,b)}},p={};m.subscriptions[g]={};var q={configuration:{bus:m,resolver:l,DEFAULT_CHANNEL:d,DEFAULT_PRIORITY:e,DEFAULT_DISPOSEAFTER:f,SYSTEM_CHANNEL:g},channelTypes:{local:j},channel:function(){var a=arguments.length;if(o[a])return o[a].apply(this,arguments)},subscribe:function(a){var b=a.callback,c=a.topic,e=a.channel||d;return new k(e,c,b)},publish:function(){var a=arguments.length;if(n[a])return n[a].apply(this,arguments)},addWireTap:function(a){return this.configuration.bus.addWireTap(a)},linkChannels:function(b,c){var e=[];return a.isArray(b)||(b=[b]),a.isArray(c)||(c=[c]),a.each(b,function(b){var f=b.topic||"*";a.each(c,function(c){var f=c.channel||d;e.push(q.subscribe({channel:b.channel||d,topic:b.topic||"*",callback:function(b,d){var e=d;e.topic=a.isFunction(c.topic)?c.topic(d.topic):c.topic||d.topic,e.channel=f,e.data=b,q.publish(e)}}))})}),e},utils:{getSubscribersFor:function(){var a=arguments[0],b=arguments[1],c=[];return arguments.length===1&&(Object.prototype.toString.call(a)==="[object String]"?(a=q.configuration.DEFAULT_CHANNEL,b=arguments[0]):(a=arguments[0].channel||q.configuration.DEFAULT_CHANNEL,b=arguments[0].topic)),q.configuration.bus.subscriptions[a]&&q.configuration.bus.subscriptions[a].hasOwnProperty(b)&&(c=q.configuration.bus.subscriptions[a][b]),c},reset:function(){q.configuration.bus.reset(),q.configuration.resolver.reset()}}};b.postal=q})(_,window)
\ No newline at end of file
diff --git a/lib/amd/postal.js b/lib/amd/postal.js
index af57ef9..8d03df4 100644
--- a/lib/amd/postal.js
+++ b/lib/amd/postal.js
@@ -2,7 +2,7 @@
  postal.js
  Author: Jim Cowart
  License: Dual licensed MIT (http://www.opensource.org/licenses/mit-license) & GPL (http://www.opensource.org/licenses/gpl-license)
- Version 0.6.1
+ Version 0.6.2
  */
 
 // This is the amd-module version of postal.js
@@ -192,6 +192,7 @@ SubscriptionDefinition.prototype = {
 			throw "Priority must be a number";
 		}
 		this.priority = priority;
+		postal.configuration.bus.changePriority( this );
 		return this;
 	},
 
@@ -249,6 +250,24 @@ var localBus = {
 		};
 	},
 
+	changePriority: function ( subDef ) {
+		var idx, found;
+		if(this.subscriptions[subDef.channel] && this.subscriptions[subDef.channel][subDef.topic]) {
+			this.subscriptions[subDef.channel][subDef.topic] = _.without(this.subscriptions[subDef.channel][subDef.topic], subDef);
+			idx = this.subscriptions[subDef.channel][subDef.topic].length - 1;
+			for ( ; idx >= 0; idx-- ) {
+				if ( this.subscriptions[subDef.channel][subDef.topic][idx].priority <= subDef.priority ) {
+					this.subscriptions[subDef.channel][subDef.topic].splice( idx + 1, 0, subDef );
+					found = true;
+					break;
+				}
+			}
+			if ( !found ) {
+				this.subscriptions[subDef.channel][subDef.topic].unshift( subDef );
+			}
+		}
+	},
+
 	publish : function ( envelope ) {
 		_.each( this.wireTaps, function ( tap ) {
 			tap( envelope.data, envelope );
@@ -293,18 +312,7 @@ var localBus = {
 		if ( !subs ) {
 			subs = this.subscriptions[subDef.channel][subDef.topic] = new Array( 0 );
 		}
-
-		idx = subs.length - 1;
-		for ( ; idx >= 0; idx-- ) {
-			if ( subs[idx].priority <= subDef.priority ) {
-				subs.splice( idx + 1, 0, subDef );
-				found = true;
-				break;
-			}
-		}
-		if ( !found ) {
-			subs.unshift( subDef );
-		}
+		subs.push( subDef );
 		return subDef;
 	},
 
diff --git a/lib/amd/postal.min.js b/lib/amd/postal.min.js
index a58a803..ac00e16 100644
--- a/lib/amd/postal.min.js
+++ b/lib/amd/postal.min.js
@@ -1 +1 @@
-define(["underscore"],function(a,b){var c="/",d=50,e=0,f="postal",g=function(){},h=function(){var b;return function(c){var d=!1;return a.isString(c)?(d=c===b,b=c):(d=a.isEqual(c,b),b=a.clone(c)),!d}},i=function(a,b){this.channel=a||c,this._topic=b||""};i.prototype={subscribe:function(){var a=arguments.length;if(a===1)return new j(this.channel,this._topic,arguments[0]);if(a===2)return new j(this.channel,arguments[0],arguments[1])},publish:function(a){var b=a||{},c={channel:this.channel,topic:this._topic,data:b};return b.topic&&b.data&&(c=b,c.channel=c.channel||this.channel),c.timeStamp=new Date,p.configuration.bus.publish(c),c},topic:function(a){return a===this._topic?this:new i(this.channel,a)}};var j=function(a,b,c){this.channel=a,this.topic=b,this.callback=c,this.priority=d,this.constraints=new Array(0),this.maxCalls=e,this.onHandled=g,this.context=null,p.configuration.bus.publish({channel:f,topic:"subscription.created",timeStamp:new Date,data:{event:"subscription.created",channel:a,topic:b}}),p.configuration.bus.subscribe(this)};j.prototype={unsubscribe:function(){p.configuration.bus.unsubscribe(this),p.configuration.bus.publish({channel:f,topic:"subscription.removed",timeStamp:new Date,data:{event:"subscription.removed",channel:this.channel,topic:this.topic}})},defer:function(){var a=this.callback;return this.callback=function(b){setTimeout(a,0,b)},this},disposeAfter:function(b){if(a.isNaN(b)||b<=0)throw"The value provided to disposeAfter (maxCalls) must be a number greater than zero.";var c=this.onHandled,d=a.after(b,a.bind(function(){this.unsubscribe(this)},this));return this.onHandled=function(){c.apply(this.context,arguments),d()},this},ignoreDuplicates:function(){return this.withConstraint(new h),this},withConstraint:function(b){if(!a.isFunction(b))throw"Predicate constraint must be a function";return this.constraints.push(b),this},withConstraints:function(b){var c=this;return a.isArray(b)&&a.each(b,function(a){c.withConstraint(a)}),c},withContext:function(a){return this.context=a,this},withDebounce:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=a.debounce(c,b),this},withDelay:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=function(a){setTimeout(function(){c(a)},b)},this},withPriority:function(b){if(a.isNaN(b))throw"Priority must be a number";return this.priority=b,this},withThrottle:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=a.throttle(c,b),this},subscribe:function(a){return this.callback=a,this}};var k={cache:{},compare:function(a,b){if(this.cache[b]&&this.cache[b][a])return!0;var c=new RegExp("^"+a.replace(/\./g,"\\.").replace(/\*/g,".*").replace(/#/g,"[A-Z,a-z,0-9]*")+"$"),d=c.test(b);return d&&(this.cache[b]||(this.cache[b]={}),this.cache[b][a]=!0),d},reset:function(){this.cache={}}},l={addWireTap:function(a){var b=this;return b.wireTaps.push(a),function(){var c=b.wireTaps.indexOf(a);c!==-1&&b.wireTaps.splice(c,1)}},publish:function(b){a.each(this.wireTaps,function(a){a(b.data,b)}),a.each(this.subscriptions[b.channel],function(c){a.each(c,function(c){p.configuration.resolver.compare(c.topic,b.topic)&&a.all(c.constraints,function(a){return a(b.data,b)})&&typeof c.callback=="function"&&(c.callback.apply(c.context,[b.data,b]),c.onHandled())})})},reset:function(){this.subscriptions&&(a.each(this.subscriptions,function(b){a.each(b,function(a){while(a.length)a.pop().unsubscribe()})}),this.subscriptions={})},subscribe:function(a){var b,c,d,e=this.subscriptions[a.channel],f;e||(e=this.subscriptions[a.channel]={}),f=this.subscriptions[a.channel][a.topic],f||(f=this.subscriptions[a.channel][a.topic]=new Array(0)),b=f.length-1;for(;b>=0;b--)if(f[b].priority<=a.priority){f.splice(b+1,0,a),c=!0;break}return c||f.unshift(a),a},subscriptions:{},wireTaps:new Array(0),unsubscribe:function(a){if(this.subscriptions[a.channel][a.topic]){var b=this.subscriptions[a.channel][a.topic].length,c=0;for(;c<b;c++)if(this.subscriptions[a.channel][a.topic][c]===a){this.subscriptions[a.channel][a.topic].splice(c,1);break}}}},m={1:function(a){if(!a)throw new Error("publishing from the 'global' postal.publish call requires a valid envelope.");return a.channel=a.channel||c,a.timeStamp=new Date,p.configuration.bus.publish(a),a},2:function(a,b){var d={channel:c,topic:a,timeStamp:new Date,data:b};return p.configuration.bus.publish(d),d},3:function(a,b,c){var d={channel:a,topic:b,timeStamp:new Date,data:c};return p.configuration.bus.publish(d),d}},n={1:function(a){var b=a,d,e={};return Object.prototype.toString.call(b)==="[object String]"?(b=c,d=a):(b=a.channel||c,d=a.topic,e=a.options||e),new p.channelTypes[e.type||"local"](b,d)},2:function(a,b){var d=a,e=b,f={};return Object.prototype.toString.call(b)==="[object Object]"&&(d=c,e=a,f=b),new p.channelTypes[f.type||"local"](d,e)},3:function(a,b,c){return new p.channelTypes[c.type||"local"](a,b)}},o={};l.subscriptions[f]={};var p={configuration:{bus:l,resolver:k,DEFAULT_CHANNEL:c,DEFAULT_PRIORITY:d,DEFAULT_DISPOSEAFTER:e,SYSTEM_CHANNEL:f},channelTypes:{local:i},channel:function(){var a=arguments.length;if(n[a])return n[a].apply(this,arguments)},subscribe:function(a){var b=a.callback,d=a.topic,e=a.channel||c;return new j(e,d,b)},publish:function(){var a=arguments.length;if(m[a])return m[a].apply(this,arguments)},addWireTap:function(a){return this.configuration.bus.addWireTap(a)},linkChannels:function(b,d){var e=[];return a.isArray(b)||(b=[b]),a.isArray(d)||(d=[d]),a.each(b,function(b){var f=b.topic||"*";a.each(d,function(d){var f=d.channel||c;e.push(p.subscribe({channel:b.channel||c,topic:b.topic||"*",callback:function(b,c){var e=c;e.topic=a.isFunction(d.topic)?d.topic(c.topic):d.topic||c.topic,e.channel=f,e.data=b,p.publish(e)}}))})}),e},utils:{getSubscribersFor:function(){var a=arguments[0],b=arguments[1],c=[];return arguments.length===1&&(Object.prototype.toString.call(a)==="[object String]"?(a=p.configuration.DEFAULT_CHANNEL,b=arguments[0]):(a=arguments[0].channel||p.configuration.DEFAULT_CHANNEL,b=arguments[0].topic)),p.configuration.bus.subscriptions[a]&&p.configuration.bus.subscriptions[a].hasOwnProperty(b)&&(c=p.configuration.bus.subscriptions[a][b]),c},reset:function(){p.configuration.bus.reset(),p.configuration.resolver.reset()}}};return p})
\ No newline at end of file
+define(["underscore"],function(a,b){var c="/",d=50,e=0,f="postal",g=function(){},h=function(){var b;return function(c){var d=!1;return a.isString(c)?(d=c===b,b=c):(d=a.isEqual(c,b),b=a.clone(c)),!d}},i=function(a,b){this.channel=a||c,this._topic=b||""};i.prototype={subscribe:function(){var a=arguments.length;if(a===1)return new j(this.channel,this._topic,arguments[0]);if(a===2)return new j(this.channel,arguments[0],arguments[1])},publish:function(a){var b=a||{},c={channel:this.channel,topic:this._topic,data:b};return b.topic&&b.data&&(c=b,c.channel=c.channel||this.channel),c.timeStamp=new Date,p.configuration.bus.publish(c),c},topic:function(a){return a===this._topic?this:new i(this.channel,a)}};var j=function(a,b,c){this.channel=a,this.topic=b,this.callback=c,this.priority=d,this.constraints=new Array(0),this.maxCalls=e,this.onHandled=g,this.context=null,p.configuration.bus.publish({channel:f,topic:"subscription.created",timeStamp:new Date,data:{event:"subscription.created",channel:a,topic:b}}),p.configuration.bus.subscribe(this)};j.prototype={unsubscribe:function(){p.configuration.bus.unsubscribe(this),p.configuration.bus.publish({channel:f,topic:"subscription.removed",timeStamp:new Date,data:{event:"subscription.removed",channel:this.channel,topic:this.topic}})},defer:function(){var a=this.callback;return this.callback=function(b){setTimeout(a,0,b)},this},disposeAfter:function(b){if(a.isNaN(b)||b<=0)throw"The value provided to disposeAfter (maxCalls) must be a number greater than zero.";var c=this.onHandled,d=a.after(b,a.bind(function(){this.unsubscribe(this)},this));return this.onHandled=function(){c.apply(this.context,arguments),d()},this},ignoreDuplicates:function(){return this.withConstraint(new h),this},withConstraint:function(b){if(!a.isFunction(b))throw"Predicate constraint must be a function";return this.constraints.push(b),this},withConstraints:function(b){var c=this;return a.isArray(b)&&a.each(b,function(a){c.withConstraint(a)}),c},withContext:function(a){return this.context=a,this},withDebounce:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=a.debounce(c,b),this},withDelay:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=function(a){setTimeout(function(){c(a)},b)},this},withPriority:function(b){if(a.isNaN(b))throw"Priority must be a number";return this.priority=b,p.configuration.bus.changePriority(this),this},withThrottle:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=a.throttle(c,b),this},subscribe:function(a){return this.callback=a,this}};var k={cache:{},compare:function(a,b){if(this.cache[b]&&this.cache[b][a])return!0;var c=new RegExp("^"+a.replace(/\./g,"\\.").replace(/\*/g,".*").replace(/#/g,"[A-Z,a-z,0-9]*")+"$"),d=c.test(b);return d&&(this.cache[b]||(this.cache[b]={}),this.cache[b][a]=!0),d},reset:function(){this.cache={}}},l={addWireTap:function(a){var b=this;return b.wireTaps.push(a),function(){var c=b.wireTaps.indexOf(a);c!==-1&&b.wireTaps.splice(c,1)}},changePriority:function(b){var c,d;if(this.subscriptions[b.channel]&&this.subscriptions[b.channel][b.topic]){this.subscriptions[b.channel][b.topic]=a.without(this.subscriptions[b.channel][b.topic],b),c=this.subscriptions[b.channel][b.topic].length-1;for(;c>=0;c--)if(this.subscriptions[b.channel][b.topic][c].priority<=b.priority){this.subscriptions[b.channel][b.topic].splice(c+1,0,b),d=!0;break}d||this.subscriptions[b.channel][b.topic].unshift(b)}},publish:function(b){a.each(this.wireTaps,function(a){a(b.data,b)}),a.each(this.subscriptions[b.channel],function(c){a.each(c,function(c){p.configuration.resolver.compare(c.topic,b.topic)&&a.all(c.constraints,function(a){return a(b.data,b)})&&typeof c.callback=="function"&&(c.callback.apply(c.context,[b.data,b]),c.onHandled())})})},reset:function(){this.subscriptions&&(a.each(this.subscriptions,function(b){a.each(b,function(a){while(a.length)a.pop().unsubscribe()})}),this.subscriptions={})},subscribe:function(a){var b,c,d,e=this.subscriptions[a.channel],f;return e||(e=this.subscriptions[a.channel]={}),f=this.subscriptions[a.channel][a.topic],f||(f=this.subscriptions[a.channel][a.topic]=new Array(0)),f.push(a),a},subscriptions:{},wireTaps:new Array(0),unsubscribe:function(a){if(this.subscriptions[a.channel][a.topic]){var b=this.subscriptions[a.channel][a.topic].length,c=0;for(;c<b;c++)if(this.subscriptions[a.channel][a.topic][c]===a){this.subscriptions[a.channel][a.topic].splice(c,1);break}}}},m={1:function(a){if(!a)throw new Error("publishing from the 'global' postal.publish call requires a valid envelope.");return a.channel=a.channel||c,a.timeStamp=new Date,p.configuration.bus.publish(a),a},2:function(a,b){var d={channel:c,topic:a,timeStamp:new Date,data:b};return p.configuration.bus.publish(d),d},3:function(a,b,c){var d={channel:a,topic:b,timeStamp:new Date,data:c};return p.configuration.bus.publish(d),d}},n={1:function(a){var b=a,d,e={};return Object.prototype.toString.call(b)==="[object String]"?(b=c,d=a):(b=a.channel||c,d=a.topic,e=a.options||e),new p.channelTypes[e.type||"local"](b,d)},2:function(a,b){var d=a,e=b,f={};return Object.prototype.toString.call(b)==="[object Object]"&&(d=c,e=a,f=b),new p.channelTypes[f.type||"local"](d,e)},3:function(a,b,c){return new p.channelTypes[c.type||"local"](a,b)}},o={};l.subscriptions[f]={};var p={configuration:{bus:l,resolver:k,DEFAULT_CHANNEL:c,DEFAULT_PRIORITY:d,DEFAULT_DISPOSEAFTER:e,SYSTEM_CHANNEL:f},channelTypes:{local:i},channel:function(){var a=arguments.length;if(n[a])return n[a].apply(this,arguments)},subscribe:function(a){var b=a.callback,d=a.topic,e=a.channel||c;return new j(e,d,b)},publish:function(){var a=arguments.length;if(m[a])return m[a].apply(this,arguments)},addWireTap:function(a){return this.configuration.bus.addWireTap(a)},linkChannels:function(b,d){var e=[];return a.isArray(b)||(b=[b]),a.isArray(d)||(d=[d]),a.each(b,function(b){var f=b.topic||"*";a.each(d,function(d){var f=d.channel||c;e.push(p.subscribe({channel:b.channel||c,topic:b.topic||"*",callback:function(b,c){var e=c;e.topic=a.isFunction(d.topic)?d.topic(c.topic):d.topic||c.topic,e.channel=f,e.data=b,p.publish(e)}}))})}),e},utils:{getSubscribersFor:function(){var a=arguments[0],b=arguments[1],c=[];return arguments.length===1&&(Object.prototype.toString.call(a)==="[object String]"?(a=p.configuration.DEFAULT_CHANNEL,b=arguments[0]):(a=arguments[0].channel||p.configuration.DEFAULT_CHANNEL,b=arguments[0].topic)),p.configuration.bus.subscriptions[a]&&p.configuration.bus.subscriptions[a].hasOwnProperty(b)&&(c=p.configuration.bus.subscriptions[a][b]),c},reset:function(){p.configuration.bus.reset(),p.configuration.resolver.reset()}}};return p})
\ No newline at end of file
diff --git a/lib/node/package.json b/lib/node/package.json
index 2c203e7..9907347 100644
--- a/lib/node/package.json
+++ b/lib/node/package.json
@@ -1,7 +1,7 @@
 {
     "name" : "postal",
     "description" : "Pub/Sub library providing wildcard subscriptions, complex message handling, etc.  Works server and client-side.",
-    "version" : "0.6.1",
+    "version" : "0.6.2",
     "homepage" : "http://github.com/ifandelse/postal.js",
     "repository" : {
         "type" : "git",
diff --git a/lib/node/postal.js b/lib/node/postal.js
index d5e8f09..ea78e74 100644
--- a/lib/node/postal.js
+++ b/lib/node/postal.js
@@ -2,7 +2,7 @@
  postal.js
  Author: Jim Cowart
  License: Dual licensed MIT (http://www.opensource.org/licenses/mit-license) & GPL (http://www.opensource.org/licenses/gpl-license)
- Version 0.6.1
+ Version 0.6.2
  */
 
 // This is the node.js version of postal.js
@@ -192,6 +192,7 @@ SubscriptionDefinition.prototype = {
 			throw "Priority must be a number";
 		}
 		this.priority = priority;
+		postal.configuration.bus.changePriority( this );
 		return this;
 	},
 
@@ -249,6 +250,24 @@ var localBus = {
 		};
 	},
 
+	changePriority: function ( subDef ) {
+		var idx, found;
+		if(this.subscriptions[subDef.channel] && this.subscriptions[subDef.channel][subDef.topic]) {
+			this.subscriptions[subDef.channel][subDef.topic] = _.without(this.subscriptions[subDef.channel][subDef.topic], subDef);
+			idx = this.subscriptions[subDef.channel][subDef.topic].length - 1;
+			for ( ; idx >= 0; idx-- ) {
+				if ( this.subscriptions[subDef.channel][subDef.topic][idx].priority <= subDef.priority ) {
+					this.subscriptions[subDef.channel][subDef.topic].splice( idx + 1, 0, subDef );
+					found = true;
+					break;
+				}
+			}
+			if ( !found ) {
+				this.subscriptions[subDef.channel][subDef.topic].unshift( subDef );
+			}
+		}
+	},
+
 	publish : function ( envelope ) {
 		_.each( this.wireTaps, function ( tap ) {
 			tap( envelope.data, envelope );
@@ -293,18 +312,7 @@ var localBus = {
 		if ( !subs ) {
 			subs = this.subscriptions[subDef.channel][subDef.topic] = new Array( 0 );
 		}
-
-		idx = subs.length - 1;
-		for ( ; idx >= 0; idx-- ) {
-			if ( subs[idx].priority <= subDef.priority ) {
-				subs.splice( idx + 1, 0, subDef );
-				found = true;
-				break;
-			}
-		}
-		if ( !found ) {
-			subs.unshift( subDef );
-		}
+		subs.push( subDef );
 		return subDef;
 	},
 
diff --git a/lib/standard/postal.js b/lib/standard/postal.js
index 8621c7e..8e4377b 100644
--- a/lib/standard/postal.js
+++ b/lib/standard/postal.js
@@ -2,7 +2,7 @@
  postal.js
  Author: Jim Cowart
  License: Dual licensed MIT (http://www.opensource.org/licenses/mit-license) & GPL (http://www.opensource.org/licenses/gpl-license)
- Version 0.6.1
+ Version 0.6.2
  */
 
 // This is the standard lib version of postal.js
@@ -192,6 +192,7 @@ SubscriptionDefinition.prototype = {
 			throw "Priority must be a number";
 		}
 		this.priority = priority;
+		postal.configuration.bus.changePriority( this );
 		return this;
 	},
 
@@ -249,6 +250,24 @@ var localBus = {
 		};
 	},
 
+	changePriority: function ( subDef ) {
+		var idx, found;
+		if(this.subscriptions[subDef.channel] && this.subscriptions[subDef.channel][subDef.topic]) {
+			this.subscriptions[subDef.channel][subDef.topic] = _.without(this.subscriptions[subDef.channel][subDef.topic], subDef);
+			idx = this.subscriptions[subDef.channel][subDef.topic].length - 1;
+			for ( ; idx >= 0; idx-- ) {
+				if ( this.subscriptions[subDef.channel][subDef.topic][idx].priority <= subDef.priority ) {
+					this.subscriptions[subDef.channel][subDef.topic].splice( idx + 1, 0, subDef );
+					found = true;
+					break;
+				}
+			}
+			if ( !found ) {
+				this.subscriptions[subDef.channel][subDef.topic].unshift( subDef );
+			}
+		}
+	},
+
 	publish : function ( envelope ) {
 		_.each( this.wireTaps, function ( tap ) {
 			tap( envelope.data, envelope );
@@ -293,18 +312,7 @@ var localBus = {
 		if ( !subs ) {
 			subs = this.subscriptions[subDef.channel][subDef.topic] = new Array( 0 );
 		}
-
-		idx = subs.length - 1;
-		for ( ; idx >= 0; idx-- ) {
-			if ( subs[idx].priority <= subDef.priority ) {
-				subs.splice( idx + 1, 0, subDef );
-				found = true;
-				break;
-			}
-		}
-		if ( !found ) {
-			subs.unshift( subDef );
-		}
+		subs.push( subDef );
 		return subDef;
 	},
 
diff --git a/lib/standard/postal.min.js b/lib/standard/postal.min.js
index a03bee4..57b2d1c 100644
--- a/lib/standard/postal.min.js
+++ b/lib/standard/postal.min.js
@@ -1 +1 @@
-(function(a,b,c){var d="/",e=50,f=0,g="postal",h=function(){},i=function(){var b;return function(c){var d=!1;return a.isString(c)?(d=c===b,b=c):(d=a.isEqual(c,b),b=a.clone(c)),!d}},j=function(a,b){this.channel=a||d,this._topic=b||""};j.prototype={subscribe:function(){var a=arguments.length;if(a===1)return new k(this.channel,this._topic,arguments[0]);if(a===2)return new k(this.channel,arguments[0],arguments[1])},publish:function(a){var b=a||{},c={channel:this.channel,topic:this._topic,data:b};return b.topic&&b.data&&(c=b,c.channel=c.channel||this.channel),c.timeStamp=new Date,q.configuration.bus.publish(c),c},topic:function(a){return a===this._topic?this:new j(this.channel,a)}};var k=function(a,b,c){this.channel=a,this.topic=b,this.callback=c,this.priority=e,this.constraints=new Array(0),this.maxCalls=f,this.onHandled=h,this.context=null,q.configuration.bus.publish({channel:g,topic:"subscription.created",timeStamp:new Date,data:{event:"subscription.created",channel:a,topic:b}}),q.configuration.bus.subscribe(this)};k.prototype={unsubscribe:function(){q.configuration.bus.unsubscribe(this),q.configuration.bus.publish({channel:g,topic:"subscription.removed",timeStamp:new Date,data:{event:"subscription.removed",channel:this.channel,topic:this.topic}})},defer:function(){var a=this.callback;return this.callback=function(b){setTimeout(a,0,b)},this},disposeAfter:function(b){if(a.isNaN(b)||b<=0)throw"The value provided to disposeAfter (maxCalls) must be a number greater than zero.";var c=this.onHandled,d=a.after(b,a.bind(function(){this.unsubscribe(this)},this));return this.onHandled=function(){c.apply(this.context,arguments),d()},this},ignoreDuplicates:function(){return this.withConstraint(new i),this},withConstraint:function(b){if(!a.isFunction(b))throw"Predicate constraint must be a function";return this.constraints.push(b),this},withConstraints:function(b){var c=this;return a.isArray(b)&&a.each(b,function(a){c.withConstraint(a)}),c},withContext:function(a){return this.context=a,this},withDebounce:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=a.debounce(c,b),this},withDelay:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=function(a){setTimeout(function(){c(a)},b)},this},withPriority:function(b){if(a.isNaN(b))throw"Priority must be a number";return this.priority=b,this},withThrottle:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=a.throttle(c,b),this},subscribe:function(a){return this.callback=a,this}};var l={cache:{},compare:function(a,b){if(this.cache[b]&&this.cache[b][a])return!0;var c=new RegExp("^"+a.replace(/\./g,"\\.").replace(/\*/g,".*").replace(/#/g,"[A-Z,a-z,0-9]*")+"$"),d=c.test(b);return d&&(this.cache[b]||(this.cache[b]={}),this.cache[b][a]=!0),d},reset:function(){this.cache={}}},m={addWireTap:function(a){var b=this;return b.wireTaps.push(a),function(){var c=b.wireTaps.indexOf(a);c!==-1&&b.wireTaps.splice(c,1)}},publish:function(b){a.each(this.wireTaps,function(a){a(b.data,b)}),a.each(this.subscriptions[b.channel],function(c){a.each(c,function(c){q.configuration.resolver.compare(c.topic,b.topic)&&a.all(c.constraints,function(a){return a(b.data,b)})&&typeof c.callback=="function"&&(c.callback.apply(c.context,[b.data,b]),c.onHandled())})})},reset:function(){this.subscriptions&&(a.each(this.subscriptions,function(b){a.each(b,function(a){while(a.length)a.pop().unsubscribe()})}),this.subscriptions={})},subscribe:function(a){var b,c,d,e=this.subscriptions[a.channel],f;e||(e=this.subscriptions[a.channel]={}),f=this.subscriptions[a.channel][a.topic],f||(f=this.subscriptions[a.channel][a.topic]=new Array(0)),b=f.length-1;for(;b>=0;b--)if(f[b].priority<=a.priority){f.splice(b+1,0,a),c=!0;break}return c||f.unshift(a),a},subscriptions:{},wireTaps:new Array(0),unsubscribe:function(a){if(this.subscriptions[a.channel][a.topic]){var b=this.subscriptions[a.channel][a.topic].length,c=0;for(;c<b;c++)if(this.subscriptions[a.channel][a.topic][c]===a){this.subscriptions[a.channel][a.topic].splice(c,1);break}}}},n={1:function(a){if(!a)throw new Error("publishing from the 'global' postal.publish call requires a valid envelope.");return a.channel=a.channel||d,a.timeStamp=new Date,q.configuration.bus.publish(a),a},2:function(a,b){var c={channel:d,topic:a,timeStamp:new Date,data:b};return q.configuration.bus.publish(c),c},3:function(a,b,c){var d={channel:a,topic:b,timeStamp:new Date,data:c};return q.configuration.bus.publish(d),d}},o={1:function(a){var b=a,c,e={};return Object.prototype.toString.call(b)==="[object String]"?(b=d,c=a):(b=a.channel||d,c=a.topic,e=a.options||e),new q.channelTypes[e.type||"local"](b,c)},2:function(a,b){var c=a,e=b,f={};return Object.prototype.toString.call(b)==="[object Object]"&&(c=d,e=a,f=b),new q.channelTypes[f.type||"local"](c,e)},3:function(a,b,c){return new q.channelTypes[c.type||"local"](a,b)}},p={};m.subscriptions[g]={};var q={configuration:{bus:m,resolver:l,DEFAULT_CHANNEL:d,DEFAULT_PRIORITY:e,DEFAULT_DISPOSEAFTER:f,SYSTEM_CHANNEL:g},channelTypes:{local:j},channel:function(){var a=arguments.length;if(o[a])return o[a].apply(this,arguments)},subscribe:function(a){var b=a.callback,c=a.topic,e=a.channel||d;return new k(e,c,b)},publish:function(){var a=arguments.length;if(n[a])return n[a].apply(this,arguments)},addWireTap:function(a){return this.configuration.bus.addWireTap(a)},linkChannels:function(b,c){var e=[];return a.isArray(b)||(b=[b]),a.isArray(c)||(c=[c]),a.each(b,function(b){var f=b.topic||"*";a.each(c,function(c){var f=c.channel||d;e.push(q.subscribe({channel:b.channel||d,topic:b.topic||"*",callback:function(b,d){var e=d;e.topic=a.isFunction(c.topic)?c.topic(d.topic):c.topic||d.topic,e.channel=f,e.data=b,q.publish(e)}}))})}),e},utils:{getSubscribersFor:function(){var a=arguments[0],b=arguments[1],c=[];return arguments.length===1&&(Object.prototype.toString.call(a)==="[object String]"?(a=q.configuration.DEFAULT_CHANNEL,b=arguments[0]):(a=arguments[0].channel||q.configuration.DEFAULT_CHANNEL,b=arguments[0].topic)),q.configuration.bus.subscriptions[a]&&q.configuration.bus.subscriptions[a].hasOwnProperty(b)&&(c=q.configuration.bus.subscriptions[a][b]),c},reset:function(){q.configuration.bus.reset(),q.configuration.resolver.reset()}}};b.postal=q})(_,window)
\ No newline at end of file
+(function(a,b,c){var d="/",e=50,f=0,g="postal",h=function(){},i=function(){var b;return function(c){var d=!1;return a.isString(c)?(d=c===b,b=c):(d=a.isEqual(c,b),b=a.clone(c)),!d}},j=function(a,b){this.channel=a||d,this._topic=b||""};j.prototype={subscribe:function(){var a=arguments.length;if(a===1)return new k(this.channel,this._topic,arguments[0]);if(a===2)return new k(this.channel,arguments[0],arguments[1])},publish:function(a){var b=a||{},c={channel:this.channel,topic:this._topic,data:b};return b.topic&&b.data&&(c=b,c.channel=c.channel||this.channel),c.timeStamp=new Date,q.configuration.bus.publish(c),c},topic:function(a){return a===this._topic?this:new j(this.channel,a)}};var k=function(a,b,c){this.channel=a,this.topic=b,this.callback=c,this.priority=e,this.constraints=new Array(0),this.maxCalls=f,this.onHandled=h,this.context=null,q.configuration.bus.publish({channel:g,topic:"subscription.created",timeStamp:new Date,data:{event:"subscription.created",channel:a,topic:b}}),q.configuration.bus.subscribe(this)};k.prototype={unsubscribe:function(){q.configuration.bus.unsubscribe(this),q.configuration.bus.publish({channel:g,topic:"subscription.removed",timeStamp:new Date,data:{event:"subscription.removed",channel:this.channel,topic:this.topic}})},defer:function(){var a=this.callback;return this.callback=function(b){setTimeout(a,0,b)},this},disposeAfter:function(b){if(a.isNaN(b)||b<=0)throw"The value provided to disposeAfter (maxCalls) must be a number greater than zero.";var c=this.onHandled,d=a.after(b,a.bind(function(){this.unsubscribe(this)},this));return this.onHandled=function(){c.apply(this.context,arguments),d()},this},ignoreDuplicates:function(){return this.withConstraint(new i),this},withConstraint:function(b){if(!a.isFunction(b))throw"Predicate constraint must be a function";return this.constraints.push(b),this},withConstraints:function(b){var c=this;return a.isArray(b)&&a.each(b,function(a){c.withConstraint(a)}),c},withContext:function(a){return this.context=a,this},withDebounce:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=a.debounce(c,b),this},withDelay:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=function(a){setTimeout(function(){c(a)},b)},this},withPriority:function(b){if(a.isNaN(b))throw"Priority must be a number";return this.priority=b,q.configuration.bus.changePriority(this),this},withThrottle:function(b){if(a.isNaN(b))throw"Milliseconds must be a number";var c=this.callback;return this.callback=a.throttle(c,b),this},subscribe:function(a){return this.callback=a,this}};var l={cache:{},compare:function(a,b){if(this.cache[b]&&this.cache[b][a])return!0;var c=new RegExp("^"+a.replace(/\./g,"\\.").replace(/\*/g,".*").replace(/#/g,"[A-Z,a-z,0-9]*")+"$"),d=c.test(b);return d&&(this.cache[b]||(this.cache[b]={}),this.cache[b][a]=!0),d},reset:function(){this.cache={}}},m={addWireTap:function(a){var b=this;return b.wireTaps.push(a),function(){var c=b.wireTaps.indexOf(a);c!==-1&&b.wireTaps.splice(c,1)}},changePriority:function(b){var c,d;if(this.subscriptions[b.channel]&&this.subscriptions[b.channel][b.topic]){this.subscriptions[b.channel][b.topic]=a.without(this.subscriptions[b.channel][b.topic],b),c=this.subscriptions[b.channel][b.topic].length-1;for(;c>=0;c--)if(this.subscriptions[b.channel][b.topic][c].priority<=b.priority){this.subscriptions[b.channel][b.topic].splice(c+1,0,b),d=!0;break}d||this.subscriptions[b.channel][b.topic].unshift(b)}},publish:function(b){a.each(this.wireTaps,function(a){a(b.data,b)}),a.each(this.subscriptions[b.channel],function(c){a.each(c,function(c){q.configuration.resolver.compare(c.topic,b.topic)&&a.all(c.constraints,function(a){return a(b.data,b)})&&typeof c.callback=="function"&&(c.callback.apply(c.context,[b.data,b]),c.onHandled())})})},reset:function(){this.subscriptions&&(a.each(this.subscriptions,function(b){a.each(b,function(a){while(a.length)a.pop().unsubscribe()})}),this.subscriptions={})},subscribe:function(a){var b,c,d,e=this.subscriptions[a.channel],f;return e||(e=this.subscriptions[a.channel]={}),f=this.subscriptions[a.channel][a.topic],f||(f=this.subscriptions[a.channel][a.topic]=new Array(0)),f.push(a),a},subscriptions:{},wireTaps:new Array(0),unsubscribe:function(a){if(this.subscriptions[a.channel][a.topic]){var b=this.subscriptions[a.channel][a.topic].length,c=0;for(;c<b;c++)if(this.subscriptions[a.channel][a.topic][c]===a){this.subscriptions[a.channel][a.topic].splice(c,1);break}}}},n={1:function(a){if(!a)throw new Error("publishing from the 'global' postal.publish call requires a valid envelope.");return a.channel=a.channel||d,a.timeStamp=new Date,q.configuration.bus.publish(a),a},2:function(a,b){var c={channel:d,topic:a,timeStamp:new Date,data:b};return q.configuration.bus.publish(c),c},3:function(a,b,c){var d={channel:a,topic:b,timeStamp:new Date,data:c};return q.configuration.bus.publish(d),d}},o={1:function(a){var b=a,c,e={};return Object.prototype.toString.call(b)==="[object String]"?(b=d,c=a):(b=a.channel||d,c=a.topic,e=a.options||e),new q.channelTypes[e.type||"local"](b,c)},2:function(a,b){var c=a,e=b,f={};return Object.prototype.toString.call(b)==="[object Object]"&&(c=d,e=a,f=b),new q.channelTypes[f.type||"local"](c,e)},3:function(a,b,c){return new q.channelTypes[c.type||"local"](a,b)}},p={};m.subscriptions[g]={};var q={configuration:{bus:m,resolver:l,DEFAULT_CHANNEL:d,DEFAULT_PRIORITY:e,DEFAULT_DISPOSEAFTER:f,SYSTEM_CHANNEL:g},channelTypes:{local:j},channel:function(){var a=arguments.length;if(o[a])return o[a].apply(this,arguments)},subscribe:function(a){var b=a.callback,c=a.topic,e=a.channel||d;return new k(e,c,b)},publish:function(){var a=arguments.length;if(n[a])return n[a].apply(this,arguments)},addWireTap:function(a){return this.configuration.bus.addWireTap(a)},linkChannels:function(b,c){var e=[];return a.isArray(b)||(b=[b]),a.isArray(c)||(c=[c]),a.each(b,function(b){var f=b.topic||"*";a.each(c,function(c){var f=c.channel||d;e.push(q.subscribe({channel:b.channel||d,topic:b.topic||"*",callback:function(b,d){var e=d;e.topic=a.isFunction(c.topic)?c.topic(d.topic):c.topic||d.topic,e.channel=f,e.data=b,q.publish(e)}}))})}),e},utils:{getSubscribersFor:function(){var a=arguments[0],b=arguments[1],c=[];return arguments.length===1&&(Object.prototype.toString.call(a)==="[object String]"?(a=q.configuration.DEFAULT_CHANNEL,b=arguments[0]):(a=arguments[0].channel||q.configuration.DEFAULT_CHANNEL,b=arguments[0].topic)),q.configuration.bus.subscriptions[a]&&q.configuration.bus.subscriptions[a].hasOwnProperty(b)&&(c=q.configuration.bus.subscriptions[a][b]),c},reset:function(){q.configuration.bus.reset(),q.configuration.resolver.reset()}}};b.postal=q})(_,window)
\ No newline at end of file
diff --git a/spec/Postal.spec.js b/spec/Postal.spec.js
index e506f15..0b0d962 100644
--- a/spec/Postal.spec.js
+++ b/spec/Postal.spec.js
@@ -121,6 +121,21 @@ QUnit.specify( "postal.js", function () {
 				assert( msgData ).equals( "Testing123" );
 			} );
 		} );
+		describe( "When subscribing multiple subscribers with different priority", function () {
+			var s1, s2, r1 = [];
+			before( function () {
+				s1 = postal.subscribe( { channel : "MyChannel", topic : "MyTopic", callback: function() { r1.push("lower"); } } ).withPriority(200);
+				s2 = postal.subscribe( { channel : "MyChannel", topic : "MyTopic", callback: function() { r1.push("higher"); } } ).withPriority(1);
+				postal.publish( { channel: "MyChannel", topic: "MyTopic", data: "Oh, Hai!" } );
+			} );
+			after( function () {
+				postal.utils.reset();
+			} );
+			it( "should invoke higher priority subscription first", function () {
+				assert(r1[0] ).isEqualTo("higher");
+				assert(r1[1] ).isEqualTo("lower");
+			} );
+		} );
 		describe( "When subscribing with a disposeAfter of 5", function () {
 			var msgReceivedCnt = 0;
 			before( function () {
diff --git a/src/main/LocalBus.js b/src/main/LocalBus.js
index bbd4909..5de038e 100644
--- a/src/main/LocalBus.js
+++ b/src/main/LocalBus.js
@@ -11,6 +11,24 @@ var localBus = {
 		};
 	},
 
+	changePriority: function ( subDef ) {
+		var idx, found;
+		if(this.subscriptions[subDef.channel] && this.subscriptions[subDef.channel][subDef.topic]) {
+			this.subscriptions[subDef.channel][subDef.topic] = _.without(this.subscriptions[subDef.channel][subDef.topic], subDef);
+			idx = this.subscriptions[subDef.channel][subDef.topic].length - 1;
+			for ( ; idx >= 0; idx-- ) {
+				if ( this.subscriptions[subDef.channel][subDef.topic][idx].priority <= subDef.priority ) {
+					this.subscriptions[subDef.channel][subDef.topic].splice( idx + 1, 0, subDef );
+					found = true;
+					break;
+				}
+			}
+			if ( !found ) {
+				this.subscriptions[subDef.channel][subDef.topic].unshift( subDef );
+			}
+		}
+	},
+
 	publish : function ( envelope ) {
 		_.each( this.wireTaps, function ( tap ) {
 			tap( envelope.data, envelope );
@@ -55,18 +73,7 @@ var localBus = {
 		if ( !subs ) {
 			subs = this.subscriptions[subDef.channel][subDef.topic] = new Array( 0 );
 		}
-
-		idx = subs.length - 1;
-		for ( ; idx >= 0; idx-- ) {
-			if ( subs[idx].priority <= subDef.priority ) {
-				subs.splice( idx + 1, 0, subDef );
-				found = true;
-				break;
-			}
-		}
-		if ( !found ) {
-			subs.unshift( subDef );
-		}
+		subs.push( subDef );
 		return subDef;
 	},
 
diff --git a/src/main/SubscriptionDefinition.js b/src/main/SubscriptionDefinition.js
index 9e669a6..85fd30e 100644
--- a/src/main/SubscriptionDefinition.js
+++ b/src/main/SubscriptionDefinition.js
@@ -117,6 +117,7 @@ SubscriptionDefinition.prototype = {
 			throw "Priority must be a number";
 		}
 		this.priority = priority;
+		postal.configuration.bus.changePriority( this );
 		return this;
 	},
 
diff --git a/src/main/VersionHeader.js b/src/main/VersionHeader.js
index 30beb0f..2c6b9c3 100644
--- a/src/main/VersionHeader.js
+++ b/src/main/VersionHeader.js
@@ -2,5 +2,5 @@
  postal.js
  Author: Jim Cowart
  License: Dual licensed MIT (http://www.opensource.org/licenses/mit-license) & GPL (http://www.opensource.org/licenses/gpl-license)
- Version 0.6.1
+ Version 0.6.2
  */