Wiki Improvements

[boriel]

the link for the wiki seems to be down

Use <!-- m --><a class="postlink" href="http://www.boriel.com/wiki/en/index.php/ZXBasic">http://www.boriel.com/wiki/en/index.php/ZXBasic</a><!-- m -->
zxbasic.net is a redirection to that URL, but I'm switching network provider.