This switches to using the lower-level optparse-applicative for
command-line option parsing. The main motivation for this is to support
more complex command-line option parsing that may be necessary for
https://github.com/dhall-lang/dhall-json/issues/27
This switches to using the lower-level
optparse-applicative
for command-line option parsing. The main motivation for this is to support more complex command-line option parsing that may be necessary for https://github.com/dhall-lang/dhall-json/issues/27