fix: global nadeko captcha patron add will show 12.5% of the time now, down from 20%, and be smaller

fix: global nadeko captcha patron add will show 12.5% of the time now, down from 20%, and be smaller
change: increased todo and archive limits slightly

add: added .todo archive done <name>, to create an alternative to .todo archive add <name> in case you want to create an archive of only currently completed todos
docs: Updated CHANGELOG.md, upped version to 5.3.9