src/system/: Add command-line-args.php, the beginning of a small helper-module for parsing command-line arguments (duh).
src/test/base-framework.php: Begin reworking test-framework plumbing to use a 'Config' class to pass around widely-used information (e.g., the base directory for the current test suite) and begin using new command-line-args lib to handle command-line arguments.