Issue #21781: Make the ssl module "ssize_t clean" for parsing parameters.
ssl.RAND_add() now supports strings longer than 2 GB.
(Merge 3.4) Issue #21781: Make the ssl module "ssize_t clean" for parsing
parameters.  ssl.RAND_add() now supports strings longer than 2 GB.
Closes #21780: make the unicodedata module "ssize_t clean" for parsing parameters
(Merge 3.4) Closes #21780: make the unicodedata module "ssize_t clean" for
parsing parameters
Issue #8677: make the zlib module "ssize_t clean" for parsing parameters
(Merge 3.4) Issue #8677: make the zlib module "ssize_t clean" for parsing
parameters
Delete a few unused names suggested by pyflakes.
Merge with 3.4
Issue #18258: Fix test discovery for test_codecmaps_*.
Issue #18258: Fix test discovery for test_codecmaps_*.
More idlelib cleanup inspired by pyflakes.
Merge with 3.4
Use try-finally idiom in example for locks in multiprocessing
Merge 3.4
Issue #5800: headers parameter of wsgiref.headers.Headers is now optional.

Patch by Pablo Torres Navarrete and SilentGhost.