match info as well as related commands `sstat' and `pstat'. Rename
lstats() to lsta() to uphold the convention that functions
implementing commands are named like the command or its four character
prefix. Closes#804587.
that commands must be unique within the first four letters. best()
implements both. It calls BestDistPath() for the former, and
BestLandPath() for the latter. However, BestDistPath() is just a
wrapper around BestLandPath(); it does exactly the same. Drop
`bestdistpath'.
