Fixed #4, Fixed #392
Exception message improvements
Fixed #379 and fixed #387
Code improvements
Connection to asterisk using ServerSettings
Fixed #398
Fixed #231
Fixed #231
Fixed #250 and Fixed #393
Merge branch 'master' of github.com:CERN/apvs
Code improvements
Fixed #395 and fixed #396
Merge branch 'master' of github.com:CERN/apvs
Fixed #395 and fixed #396
Merge branch 'master' into playback