﻿2019/02/26	7.0.0	first version
2019/03/08  7.0.1	easymap.js	
						fix: openInfoWindow() callback 失效
2019/03/15  7.0.2   easymap.js
						fix: attachEvent() moveend movestart失效
						fix: deatchEvent() 失效
2019/03/18  7.0.3	1. class dgKml 加上enableCluster() setZoomWithoutCluster()
					2. easymap.js fix: kml開啟cluster時，無法setUpperZoomByBoundary 跟callback
					3. easymap.js fix: kml開啟cluster時 無法removeitem 		
					4. easymap.js fix: openInfoWindow style修改