code: function getChildAt(index) {
           if (index >= 0 && index < this.children.length) {
             return this.children[index];
           } else {
             throw new Error("Index (" + index + ") Out Of Bounds for getChildAt()");
           }
         }
docs: Returns the Child at the specified index
  @name getChildAt
  @memberOf me.Container.prototype
  @function
  @param {Number} index