drop py33 support

Author: p1c2u

.travis.yml

@@ -2,15 +2,12 @@ language: python
 sudo: false
 matrix:
   include:
-  - python: 3.2
-  - python: 3.3
   - python: 3.4
   - python: 3.5
   - python: 3.6
   - python: nightly
   - python: pypy3
   allow_failures:
-  - python: 3.2
   - python: nightly
 before_install:
 - if [[ $TRAVIS_PYTHON_VERSION == '3.2' ]]; then pip install 'coverage<4.0.0'; fi

setup.py

@@ -68,7 +68,6 @@ def run_tests(self):
         'Intended Audience :: Developers',
         "Topic :: Software Development :: Libraries :: Python Modules",
         "Operating System :: OS Independent",
-        'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',