Fixed issues with methods addClassName and removeClassName, they now work perfectly reliable.
Fixed issues with methods addClassName and removeClassName, they now work perfectly reliable.

dbirchak/jsoneditor,walien/jsoneditoronline,mcanthony/jsoneditor,mef/jsoneditor,walien/jsoneditoronline,mcanthony/jsoneditor,shuai959980629/jsoneditor,tomalec/jsoneditor,shuai959980629/jsoneditor,cobblers-children/jsoneditor,amitdesai03/jsoneditor,mef/jsoneditor,imkevinyang/jsoneditor,liukd/jsoneditor,imkevinyang/jsoneditor,cobblers-children/jsoneditor,cesarmarinhorj/jsoneditor,cesarmarinhorj/jsoneditor,josdejong/jsoneditor,jayphelps/jsoneditor,liukd/jsoneditor,2947721120/jsoneditor,cobblers-children/jsoneditor,mef/jsoneditor,tomalec/jsoneditor,imkevinyang/jsoneditor,shuai959980629/jsoneditor,jayphelps/jsoneditor,walien/jsoneditoronline,toanalien/jsoneditor,DavidGarciaCat/JSON-Editor-Online,jayphelps/jsoneditor,DavidGarciaCat/JSON-Editor-Online,2947721120/jsoneditor,toanalien/jsoneditor,dbirchak/jsoneditor,2947721120/jsoneditor,amitdesai03/jsoneditor,mcanthony/jsoneditor,cesarmarinhorj/jsoneditor,amitdesai03/jsoneditor,toanalien/jsoneditor,liukd/jsoneditor,dbirchak/jsoneditor,josdejong/jsoneditor