fixed issue with H and V in SET command packets

added exception to initial connect if status is not received

implemented exceptions in place of logging error messages to indicate…

… important events

removed serial flush which may have been causing blocking issues and …

…renamed "bounds" to "limits"

improved logging accuracy, modified bound handling, and added new uti…

…lity functions

fixed logging error

improved logging and changed serial connection behavior

Minor fixes including improved documentation and logging.

restructured for distribution on PyPi