2.8.0

• added constrained dragging to iemguis, iemgui labels, subcanvases, graphs, grid, Scope~, and red gop rectangle
• fixed bug with gop scalar events failing to work in some circumstances
• fixed stray implementation bugs that caused compiler warnings
• improved help patch for [line] by specifying what happens when the given grain size doesn't divide evenly into the total ramp duration
• added a "footgun" GUI preset which will hide all xlets and wire connections. :)