Fixed a bug in UnicodeStringValidator: test if the value is None.
Fixed a bug in UnicodeStringValidator: test if the value is None.


git-svn-id: fe2f45b2405132b4a9af5caedfc153c2e6f542f4@476 95a46c32-92d2-0310-94a5-8d71aeb3d4b3

drnlm/sqlobject,sqlobject/sqlobject,drnlm/sqlobject,sqlobject/sqlobject