Version：4.7.4
Date：2016-09-21
Update the content：
【Add】 material replacement function, can be in the scene, scene tree right click or property panel click the button to pop up the material replacement window.
【Enhancement】 ps export plugin enhancement, support one key import to DragonBonesPro.
【Enhancement】Support for the Spine to the latest version 3.3.07.
【Enhancement】 supports fine-tuning mesh point coordinates with keyboard direction keys.
【Enhancement】mouse drag quick toggle hidden lock on timeline.
【Bug fix】fixed a crash that could occur when a flash plugin was installed in DBPro on the Mac.