Normalize data returned by Suds when interacting with db.

Suds uses suds.sax.text.Text for strings which some versions of psycopg2 can't
deal with.

Ref:

http://permalink.gmane.org/gmane.comp.python.db.psycopg.devel/5220
Merge pull request #303 from benkonrath/status-update-bug-fix

Normalize data returned by Suds when interacting with db.