By Denny Dyroff, Entertainment Editor, The Times This is a weekend when the area’s activity schedule is loaded with popular annual events – a diverse array of events many of which are family-oriented. Winterthur Museum, Garden & Library (5105 Kennett Pike, Wilmington, Delaware, 800-448-3883, www.winterthur.org) is presenting its annual “Artisan Market” on July 18 and 19. Visitors can...