Un/Follow an account
Arguments
- actor
 User handle to follow or unfollow
- verbose
 Whether to print status messages to the Console (
TRUE/FALSE). Package default (whenNULL) is to have status messages. Can be changed withSys.setenv(ATR_VERBOSE = FALSE).- .token
 If you manage your own tokens, you can supply it here. Usually
NULLis OK and will automatically load or guide you to generate a token.
