Drop support for older Django and Python versions

This change drop official support for Django 1.2 and 1.3
and Python 2.6 and 3.2

In this commit test requirements are not so strict to allow versions
available in Debian sid.

Fixes #362

Many thanks to @fladi

.travis.yml

@@ -3,11 +3,6 @@ python: "2.7"
 sudo: false
 
 env:
-  - TOX_ENV=py26-django12
-  - TOX_ENV=py26-django13
-  - TOX_ENV=py26-django14
-  - TOX_ENV=py26-django15
-  - TOX_ENV=py26-django16
   - TOX_ENV=py27-django12
   - TOX_ENV=py27-django13
   - TOX_ENV=py27-django14
@@ -16,10 +11,6 @@ env:
   - TOX_ENV=py27-django17
   - TOX_ENV=py27-django18
   - TOX_ENV=py27-django19
-  - TOX_ENV=py32-django15
-  - TOX_ENV=py32-django16
-  - TOX_ENV=py32-django17
-  - TOX_ENV=py32-django18
   - TOX_ENV=py33-django15
   - TOX_ENV=py33-django16
   - TOX_ENV=py33-django17
@@ -28,13 +19,16 @@ env:
   - TOX_ENV=py34-django17
   - TOX_ENV=py34-django18
   - TOX_ENV=py34-django19
+  - TOX_ENV=py35-django18
   - TOX_ENV=py35-django19
 
 matrix:
-  # Python 3.5 not yet available on travis, watch this to see when it is.
   fast_finish: true
+  # Python 3.5 not yet available on travis, watch this to see when it is.
   allow_failures:
-    - env: TOX_ENV=py35-django19
+    - env:
+      - TOX_ENV=py35-django18
+      - TOX_ENV=py35-django19
 
 install:
   - pip install tox --use-mirrors

setup.py

@@ -43,12 +43,12 @@ setup(
     zip_safe=False,
     include_package_data=True,
     tests_require=[
-        'beautifulsoup4==4.4.0',
-        'nose>=1.3.6,<1.5',
-        'nose-progressive==1.5.1',
-        'django-nose>=1.2,<1.5',
-        'Pillow<3.0',
-        'mock==1.0.1',
+        'beautifulsoup4>=4.4.0',
+        'nose>=1.3.6',
+        'nose-progressive>=1.5.1',
+        'django-nose>=1.4',
+        'Pillow',
+        'mock>=1.0.1',
     ],
     test_suite='testrunner.run_tests',
     install_requires=[
@@ -68,12 +68,11 @@ setup(
         'License :: OSI Approved :: BSD License',
         'Operating System :: OS Independent',
         'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.2',
         'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
         'Topic :: Utilities'
     ],
 )

tox.ini

@@ -1,11 +1,9 @@
 [tox]
 envlist =
-    py35-django19,
+    py35-django19, py35-django18,
     py34-django19, py34-django18, py34-django17, py34-django16,
     py33-django18, py33-django17, py33-django16, py33-django15,
-    py32-django18, py32-django17, py32-django16, py32-django15,
-    py27-django19, py27-django18, py27-django17, py27-django16, py27-django15, py27-django14, py27-django13, py27-django12,
-    py26-django16, py26-django15, py26-django14, py26-django13, py26-django12
+    py27-django19, py27-django18, py27-django17, py27-django16, py27-django15, py27-django14,
 
 [testenv]
 commands = python setup.py test
@@ -16,6 +14,12 @@ deps =
     Django>=1.9,<1.10
     django-nose==1.4.2
 
+[testenv:py35-django18]
+basepython = python3.5
+deps =
+    Django>=1.8,<1.9
+    django-nose==1.4.2
+
 [testenv:py34-django19]
 basepython = python3.4
 deps =
@@ -61,28 +65,6 @@ basepython = python3.3
 deps =
     Django>=1.5,<1.6
 
-[testenv:py32-django18]
-basepython = python3.4
-deps =
-    Django>=1.8,<1.9
-    django-nose==1.4.2
-
-[testenv:py32-django17]
-basepython = python3.4
-deps =
-    Django>=1.7,<1.8
-    django-nose==1.4
-
-[testenv:py32-django16]
-basepython = python3.2
-deps =
-    Django>=1.6,<1.7
-
-[testenv:py32-django15]
-basepython = python3.2
-deps =
-    Django>=1.5,<1.6
-
 [testenv:py27-django19]
 basepython = python2.7
 deps =
@@ -115,42 +97,3 @@ deps =
 basepython = python2.7
 deps =
     Django>=1.4,<1.5
-
-[testenv:py27-django13]
-basepython = python2.7
-deps =
-    Django>=1.3,<1.4
-    django-nose==1.2
-
-[testenv:py27-django12]
-basepython = python2.7
-deps =
-    Django>=1.2,<1.3
-    django-nose==1.2
-
-[testenv:py26-django16]
-basepython = python2.6
-deps =
-    Django>=1.6,<1.7
-
-[testenv:py26-django15]
-basepython = python2.6
-deps =
-    Django>=1.5,<1.6
-
-[testenv:py26-django14]
-basepython = python2.6
-deps =
-    Django>=1.4,<1.5
-
-[testenv:py26-django13]
-basepython = python2.6
-deps =
-    Django>=1.3,<1.4
-    django-nose==1.2
-
-[testenv:py26-django12]
-basepython = python2.6
-deps =
-    Django>=1.2,<1.3
-    django-nose==1.2