fail(ReflectionException("...")) => fail("...")
one more ugliness
hasExplicitBody/hasExplicitRefinement => hasBraces
introduces Self.hasThis
a todo on typeSignatureIn
Ref.defns => Ref.alts, +Ref.defn
HostContext.defns is now correctly an abstract method
renames foundation to core-foundation in order to avoid name conflicts
Member.Template is not just a Member. it's also a Defn
more @converter-inspired tweaks to inheritance