Moved random seed init to PJSIPUA init and added extra threading check, hopefully to fix exception on import for Windows

darcs-hash:20081117122544-58103-7fcfa8fe843aa2acb18a60e2b9ea7797f5aa117a
Update project description and title

darcs-hash:20081117125707-58252-71323859b518a50ec3a6f377551cdfc8405c61bd