Added --auto-answer and --auto-echo options for sip_im_session

darcs-hash:20090128155035-58252-fa7c0a330f74140e99e72e7b7f3303dc97845242
Added missing package

darcs-hash:20090128155658-58252-f5af7ac64e34060d92a9740bfa21a2566badb177