Changes since: AS2 Release 2.0.0.113
FIX - AS2 doesn't start if it cannot initiate the driver straight after a server restart.
FIX - LW recording from PB SIP not working
FIX - Payload fixes (library changes to benefit PB3 / PB4)
FIX - Payload symmetry fix on Opus
FIX - Null ref checks in AS2 SDP library code
FIX - Fix to transpose payloads in opus calls with payload mismatch
FIX - Packet duration being calculated from first packet regardless of payload
