relax SVN archive

The sections within the docstring (underlined by ~) are turned into subsubsections.
The text is now all standard typesetting rather than verbatim.
The keywords are now typeset into sans serif font and the description placed on a single line.

A LaTeX pipeline function has been created to apply the LaTeX formatting functions in sequence.
A LaTeX maths formatting function has been created.
A LaTeX special character function has been created which:
Prefixes a '\' character infront of the characters "\\#$%&_{}".
Prefixes a '\', and postfixes '{}' around characters "^~".
A function has been created, but not yet complete, for formatting LaTeX tabular environments.