Shutdown the thread pool when killing the client
Release 0.4 (mostly broken!)
Merge pull request #18 from bendem/shutdown-fix

Shutdown the thread pool when killing the client
Merge remote-tracking branch 'origin/master'
Change version to 0.5-SNAPSHOT for development
Remove unused command manager from Command

since the manager is not used in the Command except for the command
prefix which depends on the manager and not the Command.
Fix comportement introduced in c98726fc88...

c98726fc885b442c49a6fd8b3c2782c4205baf86