richer test suite
Updates imgui to have target ips and limits correctly.
Initial IPS = 1000, plan to expose to user
More tests for encode/decode of instructions
Adding text to instruction parsing
Adds 'doom like' 3dviprmaze-vip for demo (VERY VERY SLOW)
updates egui interface to let user select from files in resources/roms
updates cargo to centralize dependencies
95 passing tests
