get started on a RollingVerifier... that doesn't verify; this breaks... everything
removing ValidationOptions
add doVerify as an overrideable option when making an Emit
fixup bugs around doVerify, more tests, disable MaxStackSize when not verifying (it doesn't make sense)
no really, removing ValidationOptions
Merge branch 'master' of https://github.com/kevin-montrose/Sigil into no-verify
4.0.0
Revert "4.0.0"

This reverts commit ca2f7d196587b09fa5ea9634e25a45402fe93e0b.
4.0.0