Check propagation
Cleaning up and working on checked calls
Initial support for checked op
Moving builtin op defs into stages file instead of lexical check impl
Initial support for dot expressions
Fixed checked arg order
Removing checked member expression stuff
Cleaning up a few more checked expression stuff.
Fixed checked unpacks not using computed members
V1.2.0, mattbierner/khepri#117 and mattbierner/khepri#118
version bump