Issue #475: Fix to be able to graph columns with percentage values

docs/src/widget.pager.html

@@ -142,7 +142,7 @@ my.Pager = Backbone.View.extend({
     <div class="pagination"> \
       <ul class="pagination"> \
         <li class="prev action-pagination-update"><a href="" class="btn btn-default">«</a></li> \
-        <li class="page-range"><a><label for="from">From</label><input name="from" type="text" value="{{from}}" /> – <label for="to">To</label><input name="to" type="text" value="{{to}}" /> </a></li> \
+        <li class="page-range"><a><label for="from">From</label><input id="from" name="from" type="text" value="{{from}}" /> – <label for="to">To</label><input id="to" name="to" type="text" value="{{to}}" /> </a></li> \
         <li class="next action-pagination-update"><a href="" class="btn btn-default">»</a></li> \
       </ul> \
     </div> \