Perlito5 - add autovivification test
Perlito5 - add "Javascript3" backend (containers are objects)
Perlito5 - Javascript3 - fix method names
Perlito5 - js3 - add make build-5js3
Perlito5 - js3 - fix list interpolation
Perlito5 - js3 - fix "our" variables
Perlito5 - js3 - fix die()
Perlito5 - js3 - fix container stringification
Perlito5 - js3 - fix warn()
Perlito5 - more tests
Perlito5 - js3 - fix local(), more tests
Perlito5 - js3 - add @_ aliasing
Perlito5 - js3 - increment/decrement
Perlito5 - js3 - impl PUSH - this will be used by tied arrays someday
Perlito5 - js3 - more tied methods
Perlito6 - add misc/iterator_engine - the compiler before MiniPerl6 (from 2006)
Perlito5 - js3: use more lvalues
Perlito5 - js3: use more lvalues
Perlito5 - js3: autovivify at runtime only
Revert "Perlito5 - js3: autovivify at runtime only"

This reverts commit 051330579fa45a7e3805eac530fede1688c502ae.