bump, go back to git version numbers after 0.2.2 release

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
fix, PEBKAC, if init_tst() fails explicitly kill the feeder and differ processes

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'feat/pty'

* feat/pty:
  fix, PEBKAC, if init_tst() fails explicitly kill the feeder and differ processes