Display actual port number rather than assigned port number in server mode.

This is useful if you ask it to run on port zero, as the OS will then assign a
port number.
Merge pull request #6 from vanatteveldt/display-actual-port

Display actual port number rather than assigned port number in server mode
fn1.5_fe_core_status.json for frameparseval.py
Merge branch 'master' of github.com:sammthomson/semafor
Return  error message in socket server when parseSentence throws an error.