get ready for release 0.7.5

CHANGES

@@ -3,7 +3,7 @@
 =======
 CHANGES
 =======
-0.7.5
+0.7.5 (January 28, 2012)
 =====
 - orm
   - [bug] Fixed issue where modified session state
@@ -217,7 +217,7 @@ CHANGES
   - [bug] Fixed large_collection.py to close the
     session before dropping tables. [ticket:2346]
 
-0.7.4
+0.7.4 (December 9, 2011)
 =====
 - orm
   - [bug] Fixed backref behavior when "popping" the 

doc/build/conf.py

@@ -64,9 +64,9 @@ copyright = u'2007-2012, the SQLAlchemy authors and contributors'
 # The short X.Y version.
 version = "0.7"
 # The full version, including alpha/beta/rc tags.
-release = "0.7.4"
+release = "0.7.5"
 
-release_date = "December 9, 2011"
+release_date = "January 28, 2012"
 
 site_base = "http://www.sqlalchemy.org"