Add function for latest use (no callers, no visible changes) (Coded by N1MM)

Fixed operation when mixing TTS and CTRLFx in certain circumstances. Example of fixes: F3,{TTS THANKS};F4,cq.wav{CTRLF3} (KK1L)(Coded by N2IC)

New Radio: Added IC-7300MK2. Limited testing, report any issues. (YL2TW) (Coded by K3CT)

Developer Note: Added an unused Sub for a future program change. (Coded by N1MM)

R&S 2000 Radio: Changed the suggested port settings to one stop bit and added code to prevent setting stop bits to zero. (Coded by K3CT)

Macro: For the following macros, {FREQ} {FREQROUND} {OTHERFREQ} {OTHERFREQROUND}, return a frequency with an "R" replacing the decimal point only in CW mode. (Coded by N1MM & K3CT)