More argument stack # fixes

Fix mumble.client call with no arguments

Allow arbitrary mumble client version creation

Fix dumb mistake (#33)

Disconnect on read error (Fixes #33)

Add a null check on the channel name? (For #32)

Fix a possible segfault in channel_call (#32)

Fixed another rare audio crash

Audio thread fixes

Fix fade out not ending the playback and reduced buffer size

Show warning if audio processing took longer than buffer duration (#31)

Remove redundant volume argument from openAudio

Fix bad mutex lock/unlock in the buffer thread (Fixes #31)

Use separate audio buffer, encode, and playback threads.

Define header size with parenthesis to prevent bad size calculations