Support for SQLAlchemy 0.5.4p2 and many bug fixes.
Also finished the internationalization support. Now it's ready for full tests.
See the change Log for more info.


 - Many bug fixes.
 - Internationalization support finished and ready for full tests.
 - Full support to SQLAlchemy 0.5.4p2 (many bug fixes with the 0.5.4pX version).
 - More encode problems fixed.