Handle arrow keys.
Convert character_sheet() to a generator.
Make Component a new-style class.
Add tab and shift-tab; handle assertion more cleanly.
Add some new special keys.
Add some highlighting utility functions.
Use a function call here.
Rewrite this embarassingly bad function.
Add a function to return all Parts in a Body.
Change the function to debug(), but add a DEBUG decorator.
Add decorators for STUB and UNIMPLEMENTED functions.
Comment out this function until I find a better place for it.
Add a few new scroller-y things
Split off CommandRegistry from Command and use it in several places.
Huge reworking of the Context system.
Allow basing prefixes on the Context's intent.
Rewrite some of the agent methods.
Rewrite a good chunk of the Action code.
Remove some import *s.
Switch over to CommandRegistry.