Classes work more reliably + Optimizations

hscript/IHScriptCustomClassBehaviour.hx

@@ -0,0 +1,14 @@
+package hscript;
+
+interface IHScriptCustomClassBehaviour {
+	public var __interp:Interp;
+	public var __custom__variables:Map<String, Dynamic>;
+	public var __allowSetGet:Bool;
+
+	public function hset(name:String, val:Dynamic):Dynamic;
+	public function hget(name:String):Dynamic;
+
+	public function __callGetter(name:String):Dynamic;
+
+	public function __callSetter(name:String, val:Dynamic):Dynamic;
+}