Increment version number on 0.4.x maintenance branch.
Increment version number on 0.4.x maintenance branch.

--HG--
branch : 0.4.x
extra : convert_revision : svn%3A7a298fb0-333a-0410-83e7-658617cd9cf3/branches/0.4.x%4085

djc/couchdb-python,infinit/couchdb-python,Roger/couchdb-python,djc/couchdb-python