remove annoying error printfs
defuture entity grab
Merge branch 'master' of https://github.com/urbit/urbit
Added sail multi-classes
fix ye olde dotket bug

fixes #194
Merge branch 'master' of https://github.com/urbit/urbit

Conflicts:
	urb/urbit.pill
urb.util.toDate
Merge branch 'master' of https://github.com/urbit/urbit
fix door search
Fixed markdown spin
Merge branch 'master' into docsite