Don't explicitly call __dealloc__ on __cinit__ failure in PJSIPUA, this is done automatically

darcs-hash:20081127112940-58103-47df073668cf3fd7d05f980ee51efa7280added7
Added requirements for the SIP infrastructure

darcs-hash:20081127113321-58252-8d52af73d32cfc1da933a5ed22a103591bdab6dc