major refactor for current ipy
fix liquid prompt
argparse cascading through registered extensions; add support for --project
track os.environ[PWD] correctly
move pysh to local; fix config loading scheme and main smash script; refactor

refactor event messaging
demo ChangeDirHooks mod in user_config
use pre_prompt_hook
abstract junk aliases
update sig for event handler
project_map now accepts dynamic updates
change verbose_events log formatting
flatten dir structure
trigger rehashx for certain post-input scenarios; placeholder for readme; bugfix post-proc
update readme
fix overrides; sq