Gradient Editor for Grasshopper 2

Trying to make a kick-ass gradient editor for GH2. Improvements over gradients in GH1 so far; more and better standard presets, panning and zooming (one dimensional), window selection for grips (with correct window/crossing testing for selection boxes drawn left-to-right or right-to-left), different display of continuous (round) vs. discontinuous (diamond) grips, more interpolation modes including 'cubic' and 'cubic cyclical' which can result in more natural overall gradients, number line display. Many th