Bug fix in dodefer routine.
Changed HTML to allow for very long stack comments.
Converted dictionary headers to CSS visual formatting model.

This makes longer stack comments possible.
Bug fix in forth_sortname()
Better vertical alignment for the stack comment.
Reorganised code for control structures.

- introduced `if,`, `else,`, `then,` `begin,` `while,` and `repeat,'
- documented them and the corresponding high level words.