Fix branch creation command

`git branch -d` deletes a branch.
Merge pull request #50 from KenanY/fix-branch-creation-command

Fix branch creation command
Disconnect irc user

Disconnects client when internet goes down
Merge pull request #51 from Trinitas/patch-5

Disconnect irc user
not require a callback on the irc libraries .disconnection function
move disconnect things into a disconnect method in the client side code