function(start, end) {
    this.start = date.create(start);
    this.end   = date.create(end);
  }
function(start, end) {
    this.start = date.create(start);
    this.end   = date.create(end);
  }
function ( start , end ) { this . start = date . create ( start ) ; this . end = date . create ( end ) ; }
*
@package DateRange
@dependency date
@description Date Ranges define a range of time. They can enumerate over specific points within that range, and be manipulated and compared.

*
* @package DateRange @dependency date @description Date Ranges define a range of time . They can enumerate over specific points within that range and be manipulated and compared .