define-temp now takes an effect parameter
Fix compiler bug that Dan found
Stricter enforcement of * effects
Move compile-call from compiler.units to compiler
Add millis as a library word
sleep now takes either a duration or a microsecond count; code using durations doens't need to be updated, code using millisecond counts updated to use durations for the most part
Slava Pestov
Samuel Tardieu
Daniel Ehrenberg