removed allocation effects, refactored to: readObject(a, name),
writeObject(a, name)
hoisting
updateExpression, forStatement
(WIP)
removed retval; improved receiver/this handling
object.lookup returns value+found (WIP); objectTests
Benv.frame replaced by HashMap; joining Benvs now performed by Map.join
(no weakUpdateFrame anymore) (WIP)
fixed equals bug in MemberPropertyKont; batch-sprouting
Benv now with collection properties; Math.sqrt
fixed GC-bug (ReturnMarker.construct must be part of rootset)