Returning from JIT now works.
Invoke a JIT function. Returning doesn't work yet.
Merge pull request #172 from raydiak/master
Minor oversight, use an available const
Spesh gethow (can be spesh slot lookup)
Remove unused getwho JIT
Also return VMNull from JIT getwho
First operand of sp_guad* is r(obj) not int16
Better ve, using exec and listing directories