Add runtime support for Python 3.5.3 (#3)

README.md

@@ -28,6 +28,17 @@ Version 2.0.0 of `pytile` makes several breaking, but necessary changes:
 If you wish to continue using the previous, synchronous version of `pytile`,
 make sure to pin version 1.1.0.
 
+# Python Versions
+
+`pytile` is currently supported on:
+
+* Python 3.5
+* Python 3.6
+* Python 3.7
+
+However, running the test suite currently requires Python 3.6 or higher; tests
+run on Python 3.5 will fail.
+
 # Installation
 
 ```python

setup.py

@@ -19,7 +19,7 @@
 URL = 'https://github.com/bachya/pytile'
 EMAIL = '[email protected]'
 AUTHOR = 'Aaron Bach'
-REQUIRES_PYTHON = '>=3.6.0'
+REQUIRES_PYTHON = '>=3.5.3'
 VERSION = None
 
 # What packages are required for this module to be executed?
@@ -118,6 +118,7 @@ def run(self):
         'License :: OSI Approved :: MIT License',
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: Implementation :: CPython',