Upped version to 2.5.2.

Upped version to 2.5.1

Also removed an inacurate statement in the 2.5 release notes.

Version 2.5-Final

Upped version to 2.4.1

Upped version to 2.4 final.

Version 2.3.1

Version 2.3.Final

Merge branch 'master' of https://github.com/waylan/Python-Markdown

Upped version to 2.2.0-Final.

Updated version to 2.2.0.alpha.