v6.1.0

Changelog

336f314 bump 6.1.0
6f31418 add --remember
bd7ab1a Merge pull request #144 from schollz/config
edc9791 don't keep debug
256e0c5 add save file for receiver
7fcf45c remove unused code
6a8bdcc add receiver config
252e96a simplify toggling
97d18e1 toggling parameters
54fb8ae how to check if flag is set?
1d7976a save send remember
f18c2ea add get config dir
68ddbe7 small change
8b17888 display relay in UI if not using default
9968bbf addressing issue #141