another big refactor

src/lib/ObjMerge.hx

@@ -0,0 +1,24 @@
+package lib;
+
+class ObjMerge {
+	public static function merge<T>(obj1:T, obj2:T): T {
+		if (obj1 == null) {
+			return obj2;
+		}
+
+		if (obj2 == null) {
+			return obj1;
+		}
+
+		var rtn:T = Reflect.copy(obj1);
+		var fields = Reflect.fields(obj2);
+
+		for (field in fields) {
+			if (Reflect.getProperty(obj1, field) == null) {
+				Reflect.setProperty(rtn, field, Reflect.getProperty(obj2, field));
+			}
+		}
+
+		return (rtn:T);
+	}
+}