Drop support for EOL Python 2.6 and 3.3

.appveyor.yml

@@ -4,15 +4,11 @@ environment:
 
     # For Python versions available on Appveyor, see
     # http://www.appveyor.com/docs/installed-software#python
-    # The list here is complete (excluding Python 2.6, which
-    # isn't covered by this document) at the time of writing.
 
     - PYTHON: "C:\\Python27"
-    #- PYTHON: "C:\\Python33"
     #- PYTHON: "C:\\Python34"
     #- PYTHON: "C:\\Python35"
     #- PYTHON: "C:\\Python27-x64"
-    #- PYTHON: "C:\\Python33-x64"
     #- DISTUTILS_USE_SDK: "1"
     #- PYTHON: "C:\\Python34-x64"
     #- DISTUTILS_USE_SDK: "1"
@@ -30,7 +26,7 @@ build: off
 
 test_script:
   # Put your test command here.
-  # If you don't need to build C extensions on 64-bit Python 3.3 or 3.4,
+  # If you don't need to build C extensions on 64-bit Python 3.4,
   # you can remove "build.cmd" from the front of the command, as it's
   # only needed to support those cases.
   # Note that you must use the environment variable %PYTHON% to refer to
@@ -41,7 +37,7 @@ test_script:
 after_test:
   # This step builds your wheels.
   # Again, you only need build.cmd if you're building C extensions for
-  # 64-bit Python 3.3/3.4. And you need to use %PYTHON% to get the correct
+  # 64-bit Python 3.4. And you need to use %PYTHON% to get the correct
   # interpreter
   - "%PYTHON%\\python.exe setup.py bdist_wheel"
 

README.rst

@@ -112,7 +112,7 @@ the `documentation <https://spacy.io/usage>`_.
 
 ==================== ===
 **Operating system** macOS / OS X, Linux, Windows (Cygwin, MinGW, Visual Studio)
-**Python version**   CPython 2.6, 2.7, 3.3+. Only 64 bit.
+**Python version**   CPython 2.7, 3.4+. Only 64 bit.
 **Package managers** `pip`_ (source packages only), `conda`_ (via ``conda-forge``)
 ==================== ===
 

setup.py

@@ -211,9 +211,9 @@ def setup_package():
                 'Operating System :: MacOS :: MacOS X',
                 'Operating System :: Microsoft :: Windows',
                 'Programming Language :: Cython',
-                'Programming Language :: Python :: 2.6',
+                'Programming Language :: Python :: 2',
                 'Programming Language :: Python :: 2.7',
-                'Programming Language :: Python :: 3.3',
+                'Programming Language :: Python :: 3',
                 'Programming Language :: Python :: 3.4',
                 'Programming Language :: Python :: 3.5',
                 'Programming Language :: Python :: 3.6',