Add task.history = [], updated on cron. this will be used for charts later

src/app/index.coffee

@@ -125,6 +125,8 @@ endOfDayTally = (model) ->
       unless completed
         value += if (value < 0) then (( -0.1 * value + 1 ) * -1) else (( Math.pow(0.9,value) ) * -1)
         task.set('value', value)
+        task.setNull 'history', []
+        task.push "history", { date: new Date(), value: value }
         # Deduct experience for missed Daily tasks, 
         # but not for Todos (just increase todo's value)
         if (type == 'daily')

views/app/index.html

@@ -156,9 +156,17 @@
           </label>
         </div>
       {/}
-      <button type=submit class="btn">Save</a>
-      <button x-bind=click:del class="btn btn-danger">Delete</a>
+      <button type=submit class="btn">Save</button>
+      <button x-bind=click:del class="btn btn-danger">Delete</button>
     </form>
+    
+    <div id="{:task.id}-chart">
+      {#each :task.history}
+        Date:<div>{date}</div>
+        Value:<div>{value}</div>
+      {/}
+    </div>
+    
   </div>  
   
 <Footer:>
@@ -174,5 +182,3 @@
   <script src=/jquery.min.js></script>
   <script src=/jquery-ui.min.js></script>
   <script src=/bootstrap.min.js></script>
-  
-