[Swift] Add support for NSUUID

modules/swagger-codegen/src/main/resources/swift/Extensions.mustache

@@ -73,6 +73,12 @@ extension NSDate: JSONEncodable {
     }
 }
 
+extension NSUUID: JSONEncodable {
+    func encodeToJSON() -> AnyObject {
+        return self.UUIDString
+    }
+}
+
 {{#usePromiseKit}}extension RequestBuilder {
     public func execute() -> Promise<Response<T>>  {
         let deferred = Promise<Response<T>>.pendingPromise()

modules/swagger-codegen/src/main/resources/swift/Models.mustache

@@ -62,6 +62,9 @@ class Decoders {
         if T.self is Int64.Type && source is NSNumber {
             return source.longLongValue as! T;
         }
+        if T.self is NSUUID.Type && source is String {
+            return NSUUID(UUIDString: source as! String) as! T
+        }
         if source is T {
             return source as! T
         }