Fixed wrong method definition in labels_for_issue() in-code documentation
Merge pull request #354 from StephenOTT/patch-1

Fixed wrong method definition in labels_for_issue in-code documentation
Changed String to Fixnum
Merge pull request #356 from StephenOTT/patch-2

Changed String to Fixnum for several methods
Added proper example label name to method "label" (get single label for a repo)
Merge pull request #357 from StephenOTT/master

Added proper example label name to method "label" (get single label for ...