handle appending a single item respects the itemPath
handle appending a single item respects the itemPath

closes #56

lok0613/jquery-sortable,leafiy/jquery-sortable,migueldanto/jquery-sortable,Youraiseme/jquery-sortable,bygiro/jquery-sortable,anwarshaikh47/anwar1,migueldanto/jquery-sortable,anwarshaikh47/anwar1,bygiro/jquery-sortable,migueldanto/jquery-sortable,anwarshaikh47/anwar1,Youraiseme/jquery-sortable,lok0613/jquery-sortable,farindra/jquery-sortable,leafiy/jquery-sortable,leafiy/jquery-sortable,bygiro/jquery-sortable,migueldanto/jquery-sortable,lok0613/jquery-sortable,Youraiseme/jquery-sortable,farindra/jquery-sortable,Youraiseme/jquery-sortable,leafiy/jquery-sortable,farindra/jquery-sortable,farindra/jquery-sortable,lok0613/jquery-sortable,bygiro/jquery-sortable