* Separated no xcvr functions from rigcat loop operation
* Corrected hamlib start/stop process to prevent
lockup when xcvr is not responding to CAT commands
- hamlib still creates a zombie process when trying to access
a bogus serial interface such as a bell modem
* Added string / hex data LOG view
<LOGSTR>true/false</LOGSTR>
* Added variable loop timing
<POLLINT>100...20000</POLLINT>
default 100 msec
* Corrected use of BW-REPLY and MODE-REPLY in xml def file
* Added ability to read and display Smeter and Pwr meter
* Added debugging statements to exit functions
* Fixed aberrant save frequencies2.txt file behavior
* Added manual notch read/write using waterfall
notch filter interface
* Added power level control for xcvrs with that CAT command
- set power level also used for logging
* Updated tutorial on transceiver xml definition file structure.
* Added <VERBOSE>bool</VERBOSE> specifier
- use during development of an xml file
David Freese