Release v0.2.0

- Add `-m`/`-min` to set a minimum column width; this is often more
  convenient than `-w` to set an explicit maximum width when dealing
  with very long pathnames.

- The `-L` flag has the more standard "dereference all symlinks"
  behaviour.

- The `-W` flag sorts by codepoint length, rather than byte length.

- Allow `-width` to be given more than once, so a default can be set
  from an alias (and then overridden).

- Hide files with "hidden" attribute on Windows unless `-a` is given.

- `elles -d ends-with-slash/` would print the directory name twice.

- Colours were sometimes not reset when truncating lines with `-trim`.

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