library to handle mimetypes
Present a way to parse IANA mediatype as defined here: http://www.iana.org/assignments/media-types/media-types.xhtml
$ make
1> mimerl:extension(<<"c">>).
<<"text/x-c">>
2> mimerl:filename(<<"test.cpp">>).
<<"text/x-c">>
3> mimerl:mime_to_exts(<<"text/plain">>).
[<<"txt">>,<<"text">>,<<"conf">>,<<"def">>,<<"list">>,
<<"log">>,<<"in">>]
