* Refactored the Manager into Node, LinkConfig, AudioInterface and Logger classes
* Refactored logging to use Python's logging framework
* Removed audio level feedback on the command line
* Moved configuration into objects for shared and node-specific (audio interface) values
* Removed PulseAudio element support (except through the 'auto' interface type)
* Removed variable size input queue, since this was an attempt to fix the audiorate related glitches but made no difference
* Removed CELT support; only Opus is now supported for compressed audio
* Removed colorama dependency
* Enabled support for disabling automatic connection under JACK (Chris Roberts)
* Added support for asking the audio interface for a sample rate (Chris Roberts)