Prevent digest cycle problem on enter/tab

src/select.js

@@ -271,10 +271,18 @@
           break;
         case Key.Tab:
         case Key.Enter:
-          ctrl.select(ctrl.items[ctrl.activeIndex]);
+          // wrapping the select call in a $timeout will
+          // ensure that it will run after the current digest cycle is finished
+          $timeout(function(){
+            ctrl.select(ctrl.items[ctrl.activeIndex]);
+          });
           break;
         case Key.Escape:
-          ctrl.close();
+          // wrapping the select call in a $timeout will
+          // ensure that it will run after the current digest cycle is finished
+          $timeout(function(){
+            ctrl.close();
+          });
           break;
         default:
           processed = false;