Add all attributes from PCT::HLLCompiler and also some commentary about the transition.
Add all attributes from PCT::HLLCompiler and also some commentary about the transition.

cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp