slight ++mink refactor
Various fixes and improvements.
Merge branch 'nextbreach' of github.com:urbit/urbit into nextbreach
Added set merge to nextbreach.
Added map merge (mer:by)
Added macro expansions for bczp, brls, cncb, cnzy, and cnzz to ap.c
Added moar macro expansions to ap.c
Added set and map union and intersection (uni,int)
Merge branch 'nextbreach' of https://github.com/urbit/urbit into nextbreach
Fix memory bug in map union.
Merge branch 'nextbreach' of https://github.com/urbit/urbit into nextbreach
Various fixes and improvements.
Basic application functionality.
Merge branch 'nextbreach' of github.com:urbit/urbit into nextbreach

Conflicts:
	urb/urbit.pill
Q
Correct eyre crash.
Disable assert for missing request.
Proper configuration of hide for ++prep.
Enable posts.
Added moar ap.c macro expansions.