Update the year for copyright information
Expanded make-tag-regexp for multiline blocks

This patch also adds support for tags with arguments, e.g.

    [quote="username"]
    [url="http://www.example.com/"]

Signed-off-by: Eric James Michael Ritz <ejmr@plutono.com>
Bump the patch version number

This is due to the multi-line block improvements.
Add L.C. Karssen to the list of contributors