functionality
-------------

[x] rename writeP
[*] implement ol
[*] implement ul
[*] implement li
[*] implement h1
[*] implement h2
[~] implement pre
[ ] add utf-8 support (possibly more)
[x] rename to naml (not another markup language) if it goes beyond txt and/or markdown syntax
[~] get it working with latest re-works

tests
-----

[*] test against test.txt
[~] improve test.txt for catching edge-cases
[*] handle large files
[~] write proper tests

optimisations
-------------

[*] avoid recursion (unless needed)
[*] remove ASTLIMIT(?)
[?] allow writebuf() to take more than 1 char at a time, make less calls