to account for it not being defined in the constructor.

In line with a similar checkin to object.c a while ago, this patch
gives a more descriptive error message for an attribute error on a
class instance.  The message now looks like:

AttributeError: 'Descriptor' instance has no attribute 'GetReturnType'

to prevent possible buffer overruns.

  crashing when self.force not defined.
Revise 'copy_file()' and 'copy_tree()' docstrings accordingly.
Remove 'hasattr()' check for 'self.force' from 'make_file()'.

'get_python_lib()'.

timestamps), so every build_* command has 'self.force', which follows the
'build' command if not set by the user.

to all commands in the same way.  Several Command methods now either expect
'self.force' to be defined, or check if it is defined and assume it's
false if not.

Started writing the "Standard Build and Install" section.

Distutils manual.

checking it in so I can move things around in the CVS repository.

(also needed by inst.tex).

Added code to include source files from 'build_clib' command to default file
  list -- currently this won't work, since 'build_clib' doesn't have a
  'get_source_files()' method!

Python library hoping to find out more about the Distutils.

process.

The copytree function doesn't pass the symlinks parameter in recursicve
calls