Humblesetuptools

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* Distribute 378: Restore support for Python 2.4 Syntax (regression in 0.6.42).

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* External links finder no longer yields duplicate links.
* Distribute 337: Moved site.py to setuptools/site-patch.py (graft of very old
patch from setuptools trunk which inspired PR 31).

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* Distribute 27: Use public api for loading resources from zip files rather than
the private method `_zip_directory_cache`.
* Added a new function ``easy_install.get_win_launcher`` which may be used by
third-party libraries such as buildout to get a suitable script launcher.

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* Distribute 376: brought back cli.exe and gui.exe that were deleted in the
previous release.

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* Add support for console launchers on ARM platforms.
* Fix possible issue in GUI launchers where the subsystem was not supplied to
the linker.
* Launcher build script now refactored for robustness.
* Distribute 375: Resources extracted from a zip egg to the file system now also
check the contents of the file against the zip contents during each
invocation of get_resource_filename.

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* Distribute 371: The launcher manifest file is now installed properly.

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