uglify benchmark
implement custom require ignore regex - closes #72
add transformers to bin/6to5 help output, add descriptions tn whitelist and blacklist arguments
fix for-of caveat heading level
better exec tests
nicer sourceMapping test code
add more asserts to let scoping exec tests
v1.9.3
put require hook regex ignore into a code block
simplify make publish
fix semicolon
fix version variable reference
v1.9.4
source-map support for 6to5/register
v1.9.5
add customisable extensions to require hook #75
add --ignore and --extensions flag to 6to5-node to compliment require hook options
bump dependency versions
v1.9.6