 	// MARK: Functions that create JSON from objects	
 	
 	///Maps an object that conforms to Mappable to a JSON dictionary <String : AnyObject>
-	public func toJSON( object: N) -> [String : AnyObject] {
+	public func toJSON(object: N) -> [String : AnyObject] {
 		var mutableObject = object
 		let map = Map(mappingType: .ToJSON, JSONDictionary: [:])
 		mutableObject.mapping(map)

		var mapped = [Key : U]()

		for (key, value) in self {
			if let newValue = f(value){
				mapped[key] = newValue
			}
		}

	public func mapSet(JSONString: String) -> Set<N>? {
		let parsedJSON: AnyObject? = Mapper.parseJSONString(JSONString)
		
		if let objectArray = mapArray(parsedJSON) {
			return Set(objectArray)
		}
		
