Expose imapSM, correct imapIM2, and change to alter#75

Merged

ocramz merged 8 commits intoocramz:masterfrom GregorySchwartz:imap

Sep 28, 2019

+20-9

Commits on Aug 14, 2019

Replace insert with alter to bypass extra lookup.
GregorySchwartz
committed

Commits on Aug 26, 2019

Commits on Sep 5, 2019

Additional bangpatterns to speed up processes.
GregorySchwartz
committed

Commits on Sep 11, 2019