Minor cleanup.

Minor edits.

Many small edits and cleanup of the renaming tokens material.

Further scaffolding for documenting the renaming tokens.

Documented /RAND#/ ...

Further cleanup of RT documentation.
Put in basic scaffolding for all RT detail documentation.

Many small edits and cleanups in the renaming token material.

Corrected ComputeSeqString() to properly count and roll over no matter whether fmt or incr is longer. ...

ComputeSeqString() now also properly preserves out-of-alphabet characters in the fmt string unless a carry propagates into that position.
Reorganized ComputeSeqString() slightly.

Minor edits.

Clarified distinction between attribute- and sequence renaming tokens a bit more using common token name as an example.

Cleaned up section on system renaming tokens. ...

Wrote new section on quoting system renaming tokens.

Fixed bug that crashed program if specified environment variable did not exist.

Added TOC.

Edited the file metadata section.

Added section on file metadata use for renaming tokens.

Cleaned up introductory renaming token section.

Finished section on case sensitivity.

Cleaned up the section on use of regular expressions.

Added -b option and general explanation of forced renaming features.

Implemented -b option to suppress backups during forced renaming.

Minor edits.

Wrote section on renaming token/renaming request collisions.

Added description of partial literal renaming requests and name length limitations.

Finished section on command line pitfalls.

Started writing additional section on command line pitfalls.

Wrote section on multiple substitutions. ...

Removed "Examples" section.

Wrote tutorial on instances.

Added section on managing complexity.

Added section on controlling program output.

Added section on getting help. ...

Added section on changing renaming separator and/or escape chars.

Section header formatting.