Expand test 53 to test the inspection of the name,methods and attributes of a knowhow.
create file{readable,writable,executable,islink} on jvm and parrot.
Allow coerce_n2s to return -0.
Remove a bunch of FOR_STAGE0 stuff.
Test nqp::istrue on lists.
Expand test 25 to check that methods have access to surrounding nonstatic lexicals.
Add a test for setboolspec.
Test using the metamodel at runtime more. Expand test 65 and test 72 which tests using the metamodel for inspecting and applying roles at runtime.
Add pow_n operation.

This adds a test for raising 1.0 to a power, which allows 1.0 ** Inf to work.
Add mod_n that fits NQP definition.
Make div_I conform to p6 spec for infix<div>.
Undo changes that didn't belong in NQP Parrot.
Refactor a tad.
Tweak nqp::backtrace() to give VM coderef back.

This is what the usage of it in Rakudo expects. Gets us passing a
good bit more of S32-exceptions/misc.t.
Infrastructure to support LEAVE and friends.
Preserve unwinder in exit handlers.