------------New-------------
1. Multiple branchs for each evolution of Ranger Class.
2. Fire,ice or electric effect added to Ranger skills.
--------Modified----------
1. Some UI has better performance.
2. Optimize some objects in stage which block view.
------------Fixed-----------
1. Enemies stop action after being knocked down. Fixed.
2. Optimize reconnection.
3. Some player cannot login in with Google account. Fixed.