Fixed changelog date updated documentation.

Fixed Pyff version.

Added Changelog for 2009.12

Fixed bug in on_play

git-svn-id: https://pyff.googlecode.com/svn/trunk@273 50cd3e91-b052-0410-92d0-9544d30d4854

LibetClock feedback added

git-svn-id: https://pyff.googlecode.com/svn/trunk@196 50cd3e91-b052-0410-92d0-9544d30d4854