Remove stale C++ files.
Adds key creation function.
Start changing box collection to map.
convert to c++ files and add extern wrapper.
Fix includes.
Almost compiles.
Functional version.
Add simple example.
Fix key error.
Touch up example file.
Remove old .h file.
Set sibling checked bit properly.
Merge branch 'cpp-hash'

Conflicts:
	molevelset/NAMESPACE