Adding support for NSOrderedSet to ASTDifference
Adding support for NSOrderedSet to ASTEach
Merge branch 'master' into ordered-set
Adding support for NSOrderedSet to ASTEmpty
Adding support for NSOrderedSet to ASTFilter
Adding support for NSOrderedSet to ASTHead
Adding support for NSOrderedSet to ASTIntersection
Adding support for NSOrderedSet to ASTMap
Adding support for NSOrderedSet to ASTPluck
Adding support for NSOrderedSet to ASTReject
Adding support for NSOrderedSet to ASTTail
Adding support for NSOrderedSet to ASTUnion
Merge pull request #2 from robb/ordered-set

Add support for NSOrderedSet