Prepare release 2.0.0

CHANGELOG

@@ -1,3 +1,5 @@
+Version 2.0.0 - 2011-04-28
+* Bug fixes (see mercurial logs for details)
 * Manage default values of trytond configuration
 
 Version 1.8.0 - 2010-12-24

proteus/__init__.py

@@ -3,7 +3,7 @@
 '''
 A library to access Tryton's models like a client.
 '''
-__version__ = "1.9.0"
+__version__ = "2.0.0"
 __all__ = ['Model', 'Wizard']
 from types import NoneType
 import threading