Fix argument count for documentation.
Split in LogCommand accomodates empty arguments
[FIX] Eleminate some PHP notices from branch command
merged pull request #15
merged pull request #14
Split in LogCommand accomodates empty arguments
Merge remote-tracking branch 'frankkoornstra/bug/log-split'
Add support for detached heads.
Conflicts:
	src/PHPGit/Command/BranchCommand.php
Merge remote-tracking branch 'clemens-tolboom/log-argument-count'