somewhat more explanatory comments
spaces
force strings for comparison
block scope variables are fun

this gives the same effect as Enumerable#map_find, but without
having to monkeypatch Enumerable, which seems good overall.
ignore env-foo files too
update debugger for 1.9.3-p392
gin more aggressively
use listen to respond to all messages
class for script listing and requiring
less class methods thanks to respond/listen
add priority as a script thing
only load once, and provide a scripts accessor
run respond/listen blocks with no patterns