Flags.fillout() is finished.
Flags.fillout() is finished.

Also updated Flags's code to use BitField objects.
+ some minor fixes in the Flags class.


git-svn-id: ee7a57951e762bd0bd73821a456cc95fa2e543d2@3239 1105ee14-b0fa-0310-85a5-ff3eed429ff7

umitproject/umpa,umitproject/umpa