WIP on lifting methods or something
[core] Add is_callable
[WIP] Fixing up lifted function handling in parser
[WIP] Trying to fix stuff
[parser] Fix "lifting" finally completely?
[test] Touch Brat files to recompile for testing
[parser] Minor speed improvements for lifted calls
[WIP] Even more lifting of closures
[parser] Even lift real closures
[parser] Replace \ properly in not-lifted functions
[parser] Make sure marker is at beginning of line
[core] Fix array.new with lifted functions
[test] Test lifted function to vararg function
Merge branch 'optimize_inner_function_creation'
Revert "WIP on PEG refactor"

This reverts commit c0978ee52e5996732d485d50eca8b58c2d5d89ea.
Merge branch 'master' into benchmark