Nowadays it is likely that people will have Sphinx installed,
and if not, they will know how to install it.

This also simplifies life a lot for distribution packagers,
who typically do not want the doc build process to connect
to external web resources.

Patch by Vajrasky Kok.

- now also allows POSIX installation with SSL/TLS missing
- a goal for pip 1.6 is to allow local use without SSL/TLS

regression: don't clear anymore the state of Python threads early during the
Python shutdown.

the address is not resolved (hostname instead of an IP address) for AF_INET and
AF_INET6 address families.

variables names and values.

variables names and values.

On Windows, the codec of sys.stdout is implemented in Python. At exit, the
codec may be unloaded before the destructor tries to write something to
sys.stdout.

Based on patch by Stephen Tu.

Based on patch by Stephen Tu.