Removed inappropriate code sample from the README
Update README.md
Merge pull request #43 from neilco/readme-update

Removed inappropriate code sample from the README
Closed #44
Closed #45
Documentation comments for NSString additions. Imported NSArray additions to NSSet in order to assure the compiler about NSArray's '-sample' method.
Merge pull request #49 from alladinian/master

Documentation comments for NSString additions
Replaced eachWithIndex int with NSUInteger to fix implicit conversion compiler warning