fix: don't corrupt whitespace in scripts

Fixes remy#120

feat: add iesafe option

Fixes remy#134

feat: consider external end import css charset

fix: spaceless @import cause infinite loop (remy#136)

fix: add usage for preserve comments

And remove the `-c` shortcut as it'll be a lesser used option

feat: added preserveComments option

fix: don't encode by default

Fixes remy#109

fix: use basename instead of parse

To continue to have A+ support (specifically path.parse doesn't exist in [email protected])

style: lint fixes

tests: update for new parsing