adds the 'install_data' and 'install_scripts' commands; these two
are trivial thanks to the 'install_misc' base class in cmd.py.
(Minor tweaks and commentary by me; the code is untested so far.)

Tweaked error-generating code.

  - added 'find_config_files()' and 'parse_config_files()' methods
  - added 'command_options' attribute
Comment/docstring updates.

added a global '_environ_checked' so we know if it's already been
called.

Also added creation of 'implib_dir', a temporary directory specific to
  MSVC++ -- but I checked in two ways of fixing it (Lyle's and mine),
  because I'm not sure which is right.

or getattr/setattr, is all that's needed.

'get_options()', 'get_command_option()', 'get_command_options()'.

'get_options()'.

via an 'extra_compile_args' option in the 'build_info' dictionary.

  it is forcibly prepended onto all installation directories, even if
  they are already absolute.
Added 'dump_dirs()' to clean up the debug output a bit.

even if it's already absolute.  Currently only implemented for Unix; I'm
not entirely sure of the right thing to do for DOS/Windows, and have no
clue what to do for Mac OS.

in command-line options, and in two phases at that: first, we expand
'install_base' and 'install_platbase', and then the other 'install_*'
options.  This lets us do tricky stuff like
    install --prefix='/tmp$sys_prefix'
...oooh, neat.

Simplified 'select_scheme()' -- it's no longer responsible for expanding
config vars, tildes, etc.

Define installation-specific config vars in 'self.config_vars', rather than
in a local dictionary of one method.  Also factored '_expand_attrs()' out
of 'expand_dirs()' and added 'expand_basedirs()'.

Added a bunch of debugging output so I (and others) can judge the
success of this crazy scheme through direct feedback.

options.

Fix 'sdist.write_manifest()' to respect the value of dry_run.

Adds bztar format to generate .tar.bz2 tarballs

Uses the -f argument to overright old tarballs automatically, I am
assuming that if the old tarball was wanted it would have been moved or
else the version number would have been changed.

Uses the -9 argument to bzip2 and gzip to use maximum
compression. Compress uses the maximum compression by default.

Tests for correct value for the 'compress' argument of make_tarball. This
is one less place for someone adding new compression programs to forget to
change.

added 'abspath()' and 'extend()'.

exceptions better.

errors in the setup script or on the command line, so shouldn't result
in a traceback.

  'make_archive()' to a global static dictionary, ARCHIVE_FORMATS.
Added 'check_archive_formats()', which obviously makes good use of
  this dictionary.

and the other "composite meta-data" methods.

object, rather than through the distribution itself (since I moved the meta-
data out to a DistributionMetadata instance).

for all commands except 'prune' and 'graft'.

and now actually works.

to add the "display metadata" options: --name, --version, --author,
and so forth.  Main changes:
  * added 'display_options' class attribute to list all the "display only"
    options (--help-commands plus the metadata options)
  * added DistributionMetadata class as a place to put the actual
    metadata information from the setup script (not to be confused with
    the metadata display options); the logic dealing with metadata
    (eg. return self.name or "UNKNOWN") is now  in this class
  * changed 'parse_command_line()' to use the new OO interface provided
    by fancy_getopt, mainly so we can get at the original order of
    options on the command line, so we can print multiple lines of
    distribution meta-data in the order specified by the user
  * added 'handle_display_options()' to handle display-only options
Also fixed some crufty old comments/docstrings.

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.)