Version 4.1.12

2020-04-23 David Freese <w1hkj@bellsouth.net>

21c86db27: CW/DTR/RTS
762213faf: TX auto RST-sent
24c10fd93: wwv
a6dc3db26: File/Audio
ddeb2db19: Win10 Socket debug
375b4252c: trx testing
db57f4b4a: AFTER macro
ddfb5e61a: CWID button