Fix exception in setRng for webkit browser where adding range isn't successful and causes an exception setting the selected range
Fix exception in setRng for webkit browser where adding range isn't successful and causes an exception setting the selected range

ikuchmin/tinymce,VioletLife/tinymce,nikolas/tinymce,Razzwan/tinymce,enfold/tinymce,support-dot-com/tinymce,rbecheras/tinymce,enfold/tinymce,rbecheras/tinymce,Zimbra/tinymce,danielpunkass/tinymce,Kindling/tinymce,rednose-public/tinymce,1099511627776/tinymce,gabixdev/tinymce,fashionsun/tinymce,collective/tinymce,ice8lue/tinymce,sjbufton/tinymce,MediehusetTek/tinymce,FernCreek/tinymce,endjin/tinymce,ChristophKaser/tinymce,TeamupCom/tinymce,mplank/tinymce,M4R7iNP/tinymce,gencer/tinymce,danielpunkass/tinymce,widgetfactory/tinymce,leofeyer/tinymce,rxl194/tinymce,gencer/tinymce,shilpi230/tinymce,nikolas/tinymce,collective/tinymce,ETSI-CTI/TinySpecMCE,M4R7iNP/tinymce,toxalot/tinymce,ChristophKaser/tinymce,ikuchmin/tinymce,sachgits/tinymce,henrythewasp/tinymce,VioletLife/tinymce,ETSI-CTI/TinySpecMCE,blakewallan/tinymce,shilpi230/tinymce,widgetfactory/tinymce,cclaerhout/tinymce,jashua212/tinymce,pmpl-5/tinymce,adaptiffdesigns/tinymce,Zimbra/tinymce,jtark/tinymce,danchr/tinymce,dziemian007/tinymce,simachewh/tinymce,gabixdev/tinymce,howanghk/tinymce,jtark/tinymce,cclaerhout/tinymce,rxl194/tinymce,fillabs/TinySpecMCE,danchr/tinymce,aduth/tinymce,dziemian007/tinymce,tinymce/tinymce,howanghk/tinymce,aduth/tinymce,TeamupCom/tinymce,Kindling/tinymce,kencheung/tinymce,sachgits/tinymce,fillabs/TinySpecMCE,endjin/tinymce,ice8lue/tinymce,Shopify/tinymce,tinymce/tinymce,FernCreek/tinymce,fashionsun/tinymce,1099511627776/tinymce,nbcp/tinymce,sjbufton/tinymce,mplank/tinymce,bsuh/tinymce,FernCreek/tinymce,fhchina/tinymce,rednose-public/tinymce,adaptiffdesigns/tinymce,Razzwan/tinymce,leofeyer/tinymce,pmpl-5/tinymce,jashua212/tinymce,kencheung/tinymce,toxalot/tinymce,tinymce/tinymce,blakewallan/tinymce,nbcp/tinymce,support-dot-com/tinymce,fhchina/tinymce,danielpunkass/tinymce,MediehusetTek/tinymce,henrythewasp/tinymce,simachewh/tinymce,bsuh/tinymce