- add version number getters from packages/Makefile

- document externals building following the smlib example

- add "test lib" functionality to binary building in externals/Makefile

- add in mtx_ objects with special characters using setup functions and
  filenames with 0x escapes (mtx_/ and mtx_./ for example).  Make sure to have
  the objects call the correct setup function since it can change the
  functionality

- add these to the build system:
      PDContainer
      ann
		grh
		iemstream
		iemxmlrpc