HTML funktioner
* <H1>
- $cgi->h1("Overskrift")
* <BLOCKQUOTE>
- $cgi->blockquote("Quoted text")
* <A HREF="...">
- $cgi->a({href=>"http://somewhere.dk/"},"Klik her"),
* <STRONG>
- $cgi->strong("Fred.")
* <HR>
- $cgi->hr
* ...