auto ref dmd update

rm unused toMutable import

fix betterC mode

Fix D v2.105 deprecations wrt. @safe DMD-style inline asm (#90)

update for newer compilers

fixup

adopt for newer compilers

Revert "Fixup LightScopeOf (#87)" (#89)

This reverts commit d88b450.

Fixup LightScopeOf (#87)

* Update gitignore

* Allow lightConstOf to handle case where a struct is holding a reference-counted context

fixup fixup error messages