PUB-486: nested ifelse
PUB-534: support %/%, **
Merge branch 'master' of https://github.com/0xdata/h2o
PUB-534: %/% and ** support runit
PUB-553 check the IllegalFormatConversionException
PUB-554 demonstrate no NPE for array slicing (negative/positive)
Merge branch 'master' of https://github.com/0xdata/h2o