Merge branch 'hotfix/repo-address'
Merge commit '837a1ccd8c5b2483fb76a2dc567d747f67c936d7'
Refactor Core a bit
Add $man and $help commands
A bit of refactoring.
 Remove unnecessary method
Merge pull request #225 from folex/master

Add $man and $help commands.
Merge remote-tracking branch 'origin/master' into develop