Overgrowth Alpha 197 changes - Wolfire Games video

http://blog.wolfire.com/ David demonstrates some of the new features he added since the last alpha:
- Added arena level with progressive difficulty
- Added arena level to campaign menu
- Added GPU character skinning
- Scripts can attach items to characters
- Split challenge level and versus mode scripts off from level script
- Level scripts can use string message passing instead of function calls
- Added transparent placeholder objects
- Added placeholder and pathpoint objects to spawner utility tab
- Added alt-drag copy support to connectable objects
- Fixed Mac crash when loading levels with groups
- Fixed Windows zlib.dll issue (error 0xc0150002)
- Fixed Linux SSE memory alignment issue
- Fixed deleting characters during combat
- Fixed shader live update
- Fixed object parameter saving and loading