Patch from Serhiy Storchaka.

Patch from Serhiy Storchaka.

Issue #16082: clarify the documentation of tostring[list] saying that it may generate a bytestring, depending on the given encoding.

Issue #12322: clarify xpath reference for cases where the path reaches ancestors of the start element. Also add missing markup for a None. Thanks to patrick vrijlandt and Mike Hoy for the report and initial patches.

Patch by Berker Peksag.

Patch by Berker Peksag.

Patch by Chris Jerdonek. Address Ezio's review comment.

Patch by Chris Jerdonek. Address Ezio's review comment.

Issue #16115: Improve subprocess.Popen() documentation around args, shell, and executable arguments.

This commit rewrites the docstring for int() to incorporate the documentation
changes made in issue #16036.  It also switches the docstrings for int(),
str(), range(), and slice() to use multi-line signatures.

Merge issue #14900: Add aliases for sorting params for pstat to follow column names from pstat output.

Patch by Arne Babenhauserheide.

Patch by Arne Babenhauserheide.

Done with great native-speaker help from R. David Murray.

Patch by Arne Babenhauserheide.

Patch by Arne Babenhauserheide.

It is unfortunate that the '_' names were not kept as aliases, and that RLock
was not also converted to a class, but it is now too late to change either of
those things for 3.3.

Issue #16096: Fix several occurrences of potential signed integer overflow.  Thanks Serhiy Storchaka.