Version bump for 3.4.1rc1.
Added tag v3.4.1rc1 for changeset c67a19e11a71
Post-release version bump for 3.4.1rc1.  Sorry it's late!
Merge.
Rebuild pydoc topics.
Version bump for 3.4.1.
Added tag v3.4.1 for changeset c0e311e010fc
Don't grow strings by concatenation.  Use ''.join() instead.
Add comment and make minor code clean-up to improve clarity.
Add development comments to setobject.c
Issue #21477: idle htests - lower case function names, other cleanups.
Null merge 3.4.1 (and 3.4.1rc1) release-engineering revisions.
Merge.
Merge.
merge
Improve readability
Small code and comment cleanups
Issue 20620: Update the min()/max() docs for the new default argument.

Patch provided by Berker Peksag.
merge
merge heads