s/mp_toradix_n/mp_toradix/, (Ben Goldberg)++
Use ok(...) in test.
Add a simple test file exercising encoding and decoding strings.
Fix segfault when decoding a zero-length buffer.
Fix multi-byte decoding bug in Parrot backend.
Lazy allocation of HashMap for  VMHash storage on JVM.
Merge pull request #134 from perl6/lazy-vmhash

Lazy allocation of HashMap for  VMHash storage on JVM.
nqp::iscont should not blow up over a null value.

This fixes a broken case of .clone that the subscripting changes in
Rakudo hit. Thus, this fixes a more general issue.
Normalize $*OS on Windows to be MSWin32.

Many things identify Windows in this way at present.
Parse _ in ** quantifier values.

Also sneak in a decent NYI error for the ** {...} case.
nqp::openpipe handling for Windows.
Make 02-pipes.t Windows-friendly.
Fix mkdir on JVM on Windows.
Provide a non-decont'ing version of istype.
More OS name canonicalization.
Include class in method not found errors.
Fix typo.
Add is_unsigned slot to JVM StorageSpec.
Have P6int on JVM handle unsigned in compose.
Unsigned native int array support for JVM.

Means we can get buf8, utf8, buf16, utf16 types behaving on JVM.