Removing support for puthon 3.1 and 3.2 (No protobuf support)

Author: kashishm

.travis.yml

@@ -9,10 +9,10 @@ addons:
 
 python:
   - "2.7"
-  - "3.2"
   - "3.3"
   - "3.4"
   - "3.5"
+  - "3.6"
 
 env:
   global:

requirements.txt

@@ -1,6 +1,5 @@
 colorama
 protobuf==3.2.0
 redbaron
-coverage==3.7.1 ; python_version == '3.2'
-coverage>=3.7.1 ; python_version != '3.2'
+coverage>=3.7.1
 twine

setup.py

@@ -16,11 +16,10 @@
         'License :: OSI Approved :: MIT License',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.1',
-        'Programming Language :: Python :: 3.2',
         'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
     ],
     install_requires=['protobuf==3.2.0', 'redBaron', 'colorama'],
 )