Add function to get the time rather than minutes only

apps/widtmr/README.md

@@ -25,6 +25,7 @@ The following functions are available:
 - increaseTimer(int) -> void
 - decreaseTimer(int) -> void
 - getRemainingMinutes() -> int
+- getRemainingTime() -> DateTime
 
 Example to increase the timer by 5 and ensure that its started:
 ```Javascript

apps/widtmr/widget.js

@@ -130,6 +130,15 @@
     var now = new Date();
     var diff = settings.goal - now;
     return  Math.ceil(diff / (1000*60));
+
+  }, getRemainingTime: function(){
+    if(!settings.started){
+      return;
+    }
+
+    var now = new Date();
+    var diff = settings.goal - now;
+    return getTime(diff);
   }
 
 };