Added a test file to test methods for extracting innerText including return characters from an editable div (see Issue #5)
Added a test file to test methods for extracting innerText including return characters from an editable div (see Issue #5)

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