Update Project.xml

Author: GamerPablito

Arcade/FlxPongApi/Project.xml

@@ -37,10 +37,10 @@
 	<haxelib name="flixel" />
 
 	<!--In case you want to use the addons package-->
-	<haxelib name="flixel-addons" />
+	<haxelib name="flixel-addons" version="git"/>
 
 	<!--In case you want to use the ui package-->
-	<!--<haxelib name="flixel-ui" />-->
+	<haxelib name="flixel-ui" />
 
 	<!--In case you want to use nape with flixel-->
 	<!--<haxelib name="nape-haxe4" />-->