code: function( f ) {
  			var i, vec, newArr = [];
  
  			for ( i = 0; i < this.array.length; i++ ) {
  				newArr.push(f(this.array[i]));
  			}
  			vec = new $.Vector();
  			return vec.update(newArr);
  		}
docs: Applys the function to every item in the vector.  Returns the new vector.
  @param {Function} f
  @return {jQuery.Vector} new vector class.