Make target number a Number type

Author: orffen

templates/item/item-feature-sheet.html

@@ -10,7 +10,7 @@ <h1 class="charname"><input name="name" type="text" value="{{item.name}}" placeh
         </div>
         <div class="resource">
           <label for="data.targetNumber.value" class="resource-label">{{localize data.targetNumber.label}}</label>
-          <input type="text" name="data.targetNumber.value" value="{{data.targetNumber.value}}" data-dtype="String"/>
+          <input type="text" name="data.targetNumber.value" value="{{data.targetNumber.value}}" data-dtype="Number"/>
         </div>
       </div>
     </div>