Added: Add play icon to thumbnails in Lightbox
Fix: Stop slideshow w/ YouTube/Vimeo/Self Hosted videos on autoplay start, resume when they end
Fix: Resolve conflict with several third-party plugins
Fix: Lightbox CSS adjustments for Internet Explorer 11 and self-hosted / Instagram videos
Fix: Adjust Lightbox border for Base and Subtle LightBox themes
Fix: Reduce flash of some videos in Lightbox when forced larger
Fix: Various bug fixes, minor code tweaks, and PHP compatability adjustments