Minecraft World Utility Code

Move Doxygen comments from declarations to definitions where possible, including from headers to sources.

Remove unnecessary file.

Put member functions of anonymous namespace classes inside the anonymous namespace to eliminate Doxygen errors.

Documen the entry point of the coord-calc utility.

Include source files, as well as header files, in Doxygen.

Do not use ustring where not necessary.

Delete lots of unneeded utils.

Implement compounds.

Reorder the List unit tests to be in a more sensible order (equality before cloning).

In utility functions for building data structures, clear the structure before building the new one.