* use flock(2) instead of POSIX locking
* A new command sendescape to send a Ctrl-\. This makes it possible to drive a nested microcom instance.
* Several fixes, e.g. consistently use LFS and improve on rfc2217 subnegotiation handling
OBS-URL: https://build.opensuse.org/package/show/Base:System/microcom?expand=0&rev=7
