can jit multicacheadd and multicachefind now.
tiny typo,
third time's the charm!
can jit radix_I
bindpos_n and bindpos_s for completeness' sake
there was no escape. now there is.
fix wrong number of arguments passed to multicache*
JIT blshift_i and brshift_i

Also small fix to make clang a bit happier
Merge branch 'master' of github.com:MoarVM/MoarVM into closefhi
also consider result of waitpid when closing pipe