Merge pull request #65 from nikicat/master

stdin bypass, requirement pinning, return codes
Merge pull request #66 from nikicat/master

added more logging
make LocalShip.memory a regular attribute to make it saveable
allow to override localship memory from settings
Bump version: 11.4.0 → 11.5.0
removed unneeded "config" command name specification
added "discover" command group
added plugin loading support
allow to load ships from file and pass them to obedient
Bump version: 11.5.0 → 11.6.0
allow to override shipment name