v0.18.0
Speed up importing of past.translation (issue #117)
Remove import of dummy_thread from _thread module (issue #124)
Prepare 0.18.0 release
Future-proof for Py4.0
app engine compatibility: handle missing httplib._CS_* constants
Revert "Add fixer for itertools"
Fix future import ordering
Don't import past.translation by default when importing past
Fix for issue #262 (non-existing tkinter imports in older py27 versions)
Make the src folder a package (for the same of importing src.future.__version__ etc. from setup.py)