Hygene changes in helper.hpp
rooting rewrite
rooting system rewirte.
More rooting fixes.  Got arrays compiling.
More array rooting fixes.
Minor bugfix.
Cleared out more files.  Got arrays of uint32_ts allocating.  More testing needed.
Arrays seem to be working OK.
Abstracted scanning and update behind vtable, allowing it to move to cpp file.
Added NOTES file
Got core.cpp compiling.  More tracing fixes.
Cleaned up arrays a bit.
Got dereftraits for pointers working.
Got arrays integrated with template specializations for gc-awareness.  They seem to work.