close socket upon CertificateError
PermissionError is new in Py33
1.3rc2
merge 1.3.X
add cookbook entry for user installs
Happy new year!
Bumped version to 1.3.
Merge branch '1.3.X' into develop

Conflicts:
	pip/__init__.py
Fixed a test that was broken by releasing 1.3. D'oh.
Removed stale note from docs.
Fixed a test that was broken by releasing 1.3. D'oh.
Revert "Explicitly ignore rel='download' links while looking for html pages."

This reverts commit 0bb9c31aeab89eba17de26802e6b01c9cafeeb39.
Revert "Test HTMLPage link filter by rel attribute."

This reverts commit 4dceb6ce870bf02698dee137a187d81932f38ad2.
Revert "Update method description to match expected behaviour."

This reverts commit 6a483a3778fb6ebe7b7e7557e32383ba78d4801e.
Bumped version to 1.3.1.
Merge branch '1.3.X' into develop

Conflicts:
	pip/__init__.py
Update docs to mentioned approximate release date of 1.4.
Only install stable releases by default

* Adds the --pre flag to pip install to specify that you wish
  to install pre-releases
* If the version spec contains any pre-releases then continue to
  install pre-releases
Test the Stable/Pre-release distinction in PackageFinder
Document the logic behind the Pre Release/Stable distinction