(allows the same FancyGetopt object to be used multiple times with different
option tables).

a short form and text that wraps onto multiple lines.

after all -- turns out it doesn't buy us much after all...

in the option list is an attribute of the OptionDummy that will be
initialized to None.

Added 'set_option_table()' method.
Added missing 'self' to 'get_option_order()'.
Cosmetic/comment/docstring tweaks.

leaving in its place a tiny wrapper around the FancyGetopt class
for backwards compatibility.

class.  (Mainly this was to support the ability to go back after the
getopt operation is done and get extra information about the parse,
in particular the original order of options seen on the command line.
But it's a big improvement and should make it a lot easier to add
functionality in the future.)

  'generate_help()', 'wrap_text()' functions, and a little tiny test
  of 'wrap_text()'.
Changed how caller states that one option is the boolean opposite of
  another: added 'negative_opt' parameter to 'fancy_getopt()', and changed
  to use it instead of parsing long option name.

-q/--quiet reasonably elegantly.

Better error messages for bad entries in option table.