Map-based autoloader across php and phar resources

⌈⌋ branch:  Canonic Autoloader


Help: test-shortest-path

The "test-shortest-path" command:

Usage: fossil test-shortest-path ?--no-merge? VERSION1 VERSION2

Report the shortest path between two check-ins.  If the --no-merge flag
is used, follow only direct parent-child paths and omit merge links.