relax SVN archive

Spell check of the user function docstrings.

This was done by checking the automatically generated LaTeX file for the manual.
A few fixes to the docstrings were also found.

Spell check of the manual.

Additions to the frontmatter of the manual.

The manual now has a frontmatter and mainmatter declaration which affects page numbering.
There is now an acknowledgement section.
A list of figures section has been added.
An abreviations section has been added.

A few more index fixes for the manual.

Major improvements to the indexing in the manual.

The problem with the quoteevn command in the manual has been hidden by replacing the ':' with ' --'.

Created the verbatim environment and fixed a few more docstrings for the manual.

Fixed a few more user function docstrings to improve the formatting in the manual.

Fixed a bug in the LaTeX quoteevn command causing problems in the manual.

Implemented the conversion of lists in the docstrings to LaTeX formatting for the manual.

The lists within the user function docstrings have been slightly reformatted.
Trailing whitespaces have been stripped from all .py files.