added changes for 1.4.1.

doc/CHANGELOG

@@ -1,4 +1,64 @@
 Changelog for SEMS 
+
+Version 1.4.1
+
+make system:
+   - shortened dev build version
+   - removed py_sems from sems-python-modules packet.
+
+docs:
+   - included monitoring mod documentation
+   - clarified use of multiple interface support
+
+event dispatcher:
+   - fixed minor memory leak in error case.
+
+session management:
+   - fixed several bugs in session creation.
+
+sip:
+   - return 481 on CANCEL if the transaction cannot be found.
+   - reply properly with 482 if the UAS dialog already exists.
+   - pass only 200-ACK request to the UA layer.
+   - do not update route or remote_uri on failure reply.
+   - "ACK for non-existing dialog" logged as DEBUG
+   - do not mandate to-tag for anything else but 2xx replies.
+   - do not pass orphan replies to UA (no matching transaction).
+   - improved AmSipDialog::bye()
+   - next_hop core option added.
+
+sdp parser:
+   - process properly on short SDP
+   - allow unsupported transport types.
+
+B2BUA:
+   - fixed manipulation of short/empty SDP.
+   - treat CANCEL hop-by-hop (not waiting for 200 from other side).
+   - avoid relaying events if the session is stopped.
+   - bind the relay stream to the local RTP IP.
+
+RTP relay:
+   - fixed sequence number & SSRC of relayed RTP packets.
+
+sbc:
+    - handle correctly onNoAck event.
+
+authentication:
+   - adds support for "qop" as described in rfc2617.
+   - resend authenticated request as VERBATIM (fixes dup. Max-Forward
+   & User-Agent HF)
+
+xmlrpc2di:
+   - added clean shutdown procedure.
+   - fixed issue related to select() and file descriptors >= 1024
+
+monitoring
+   - monitoring: run garbage collector by default (avoid filling up RAM
+   with monitoring data).
+
+g729:
+   - fix mem leak in g729 wrapper.
+
 Version 1.4.0
  - SBC
     - topo hiding B2BUA