Setuptools

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* Distribute 160: 2.7 gives ValueError("Invalid IPv6 URL")
* Distribute 150: Fixed using ~/.local even in a --no-site-packages virtualenv
* Distribute 163: scan index links before external links, and don't use the md5 when
comparing two distributions

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* Distribute 149: Fixed various failures on 2.3/2.4

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* Found another case of SandboxViolation - fixed
* Distribute 15 and Distribute 48: Introduced a socket timeout of 15 seconds on url openings
* Added indexsidebar.html into MANIFEST.in
* Distribute 108: Fixed TypeError with Python3.1
* Distribute 121: Fixed --help install command trying to actually install.
* Distribute 112: Added an os.makedirs so that Tarek's solution will work.
* Distribute 133: Added --no-find-links to easy_install
* Added easy_install --user
* Distribute 100: Fixed develop --user not taking '.' in PYTHONPATH into account
* Distribute 134: removed spurious UserWarnings. Patch by VanLindberg
* Distribute 138: cant_write_to_target error when setup_requires is used.
* Distribute 147: respect the sys.dont_write_bytecode flag

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* Reverted change made for the DistributionNotFound exception because
zc.buildout uses the exception message to get the name of the
distribution.

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* Distribute 90: unknown setuptools version can be added in the working set
* Distribute 87: setupt.py doesn't try to convert distribute_setup.py anymore
Initial Patch by arfrever.
* Distribute 89: added a side bar with a download link to the doc.
* Distribute 86: fixed missing sentence in pkg_resources doc.
* Added a nicer error message when a DistributionNotFound is raised.
* Distribute 80: test_develop now works with Python 3.1
* Distribute 93: upload_docs now works if there is an empty sub-directory.
* Distribute 70: exec bit on non-exec files
* Distribute 99: now the standalone easy_install command doesn't uses a
"setup.cfg" if any exists in the working directory. It will use it
only if triggered by ``install_requires`` from a setup.py call
(install, develop, etc).
* Distribute 101: Allowing ``os.devnull`` in Sandbox
* Distribute 92: Fixed the "no eggs" found error with MacPort
(platform.mac_ver() fails)
* Distribute 103: test_get_script_header_jython_workaround not run
anymore under py3 with C or POSIX local. Contributed by Arfrever.
* Distribute 104: removed the assertion when the installation fails,
with a nicer message for the end user.
* Distribute 100: making sure there's no SandboxViolation when
the setup script patches setuptools.

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* Added "check_packages" in dist. (added in Setuptools 0.6c11)
* Fixed the DONT_PATCH_SETUPTOOLS state.