Merge 3.5.3 release head with main 3.5 branch.

diff --cc .hgtags
Simple merge

diff --cc Include/patchlevel.h
index 1ec9761b9640a8040dea1f9f1f9532a47354dfbf,eced80dea90cfcab965acb9bbf65a35c32b5d583..5e318cf004f6a082fe5c7713beb8e7ca6969d8f9
--- 1/Include/patchlevel.h
--- 2/Include/patchlevel.h
+++ b/Include/patchlevel.h
@@@ -19,11 -19,11 +19,11 @@@
  #define PY_MAJOR_VERSION      3
  #define PY_MINOR_VERSION      5
  #define PY_MICRO_VERSION      3
- #define PY_RELEASE_LEVEL      PY_RELEASE_LEVEL_FINAL
- #define PY_RELEASE_SERIAL     0
+ #define PY_RELEASE_LEVEL      PY_RELEASE_LEVEL_GAMMA
+ #define PY_RELEASE_SERIAL     1
  
  /* Version as a string */
 -#define PY_VERSION            "3.5.3rc1+"
 +#define PY_VERSION            "3.5.3+"
  /*--end constants--*/
  
  /* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.

diff --cc Misc/NEWS
index 881b268f439337ee76aab9617f0e1f7412bf1867,7e21d3727972a69225217a6386c1fd8bf169a920..f357d6dfbead21f525ddc12bb6fab85c7e678835
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -13,15 -11,31 +13,28 @@@ Core and Builtin
  Library
  -------
  
 -
 -What's New in Python 3.5.3?
 -===========================
 -
 -Release date: 2017-01-16
 -
 -Core and Builtins
 ------------------
 -
 -Library
 --------
 -
+ - Issue #29011:  Fix an important omission by adding Deque to the typing module.
+ 
+ - Issue #29219: Fixed infinite recursion in the repr of uninitialized
+   ctypes.CDLL instances.
+ 
+ - Issue #28969: Fixed race condition in C implementation of functools.lru_cache.
+   KeyError could be raised when cached function with full cache was
+   simultaneously called from differen threads with the same uncached arguments.
+ 
+ - Issue #29142: In urllib.request, suffixes in no_proxy environment variable with
+   leading dots could match related hostnames again (e.g. .b.c matches a.b.c).
+   Patch by Milan Oberkirch.
+ 
 +
 +What's New in Python 3.5.3?
 +===========================
 +
 +Release date: 2017-01-17
 +
 +There were no code changes between 3.5.3rc1 and 3.5.3 final.
 +
 +
  What's New in Python 3.5.3 release candidate 1?
  ===============================================