made hidden courseContainers slideToggle open when dragging a course over it's respective semesterHeading, need to still make it toggle open after a ~700ms delay and solve issue of not being able to instantly drop the course being dragged into the courseContainer just opened without leaving that courseContainer first
made hidden courseContainers slideToggle open when dragging a course over it's respective semesterHeading, need to still make it toggle open after a ~700ms delay and solve issue of not being able to instantly drop the course being dragged into the courseContainer just opened without leaving that courseContainer first

stumash/CoursePlanner,stumash/CoursePlanner,stumash/CoursePlanner,stumash/CoursePlanner,stumash/CoursePlanner