Fix error on first run
Fix unit tests for environment.py
Rename constant in environment.py
Remove unused import in addons_xml.py
Fix error if LibretroDll is invalid
Change string constants to class constants and add more test cases in environment.py
Improvements and fixes in repository_addon.py

In particular, improved compatibility with Python 2.6 (zipfile could not be used with 'with' statement)
Some fixes to matching DLLs to projects
Remove commented line in addon.template.xml
Fix compatibility with Python 2.6
Another Python 2.6 compatibility fix
Import win32 releases
Fix lib property not being set on windows
Update win32 add-ons
Add execute bit to create_release.py's permissions
Fix c/p error in libretro_super.py causing building on OSX to fail
Added repository add-on for osx64
Release OSX64 archives
Fix broken repository.libretro-osx64 repo add-on
Fix OSX repo specifying linux as platform