stubbed in red black tree vis
red black tree insertion tested and working
stubbed in red black tree deleting
implemented deleting, seems to work
removed the ability to edit the graph in query mode
added a dynamically sized bezier BST to query mode
minor tweaks
progress adding time
before removing parent
great progress.  search trees of edges seem to work, although the ui is wonky
great progress, search trees make sense!
done for the night
wrote a rough draft of the text, needs editing and a better tree visualization
fixed the tree intersecting the lines outside the line segments glitch
put some more thought into the text, cleaned it up a lot
removed some old unused code
fixed insertion balancing bug in rules 4c and 4d
fixed the edge direction bug, should no longer matter
fixed deletion bugs!!!
fixed the deletion bug my last fix caused, and added a tiny amount of numerical stability