Bump to a Moar with VMNull changes.
Add a way to count arg placeholder usages.
Get a MoarVM with lazy lexical alloc opt.
Implement asyncreadbytes on JVM. Extracted Buffers utils from Ops.java
Need to copy bytes out of ByteBuffer, not reference internal array.
Merge branch 'master' of github.com:perl6/nqp into async_ops