Merge pull request #8 from pyoor/master

Add Random.pop() and placeholder for unit tests

random/random.js

@@ -141,5 +141,14 @@ var random = {
       result.push(this.pick(list));
     }
     return result;
+  },
+  pop: function (arr) {
+    // Removes and returns a random item from an array
+    var i, obj;
+
+    obj = Random.item(arr);
+    arr.splice(arr.indexOf(obj), 1);
+
+    return obj;
   }
 };

tests/random/random.js

@@ -117,4 +117,5 @@ shuffle(arr)
 shuffled(arr)
 subset(list, limit)
 choose(list, flat=true)
+pop(arr)
 */