Adds array sorting convenience methods
Merge pull request #59 from Club15CC/15cc-additions

Adds array sorting convenience methods
Adds NSString trim: with char set from a given string
Merge pull request #60 from Club15CC/15cc-additions

Adds NSString trim: with char set from a given string
Adds NSDate+Components
Merge pull request #61 from Club15CC/15cc-additions

Adds NSDate+Components
Fixed divide by zero crash in NSArray -anyObject when called on an empty array.
Merge pull request #63 from deanbrowne/NSArray-anyObject

Fixed divide by zero crash in NSArray -anyObject when called on an empty array