Updated pydoc topics for 3.4.0b1.
Bump version number to 3.4.0b1.
Added tag v3.4.0b1 for changeset 3405dc9a6afa
1) Prepare libmpdec for the 2.4.0 release.  None of the following changes affects
   _decimal:

      o Make all "mpd_t to C integer" conversion functions available in both the
        64-bit and the 32-bit versions.

      o Make all mixed mpd_t/C integer arithmetic functions available in the
        32-bit version.

      o Better handling of __STDC_LIMIT_MACROS for C++ users.

      o Add struct tags (at the request of C++ users).

2) Check for libmpdec.so.2 if --with-system-libmpdec is used.
Merge from 3.3.
Use Clinic to process arguments in cpickle.

This doesn't make any functional changes to the exisiting implementation.  The
conversion did help however uncover documentation bugs. The best thing about
this conversion is less C code to maintain by hand.
Issue #15204: Silence and check the 'U' mode deprecation warnings in tests.
Changed deprecation message in the fileinput module.
Merged 3.4.0b1 release head back into trunk.
Issue #19758: silence PendingDeprecationWarnings in test_hmac
I also removed some bare excepts from the tests.
Document that @property can incorporate a docstring from the getter method.  Improve readabilty with additional whitespace.
merge
#19620: Fix typo in docstring (noticed by Christopher Welborn).
#19620: merge with 3.3.
Add whatsnew section about the html package.
Fix broken link in html.entities docs.
Merge broken link fix from 3.3.
Simplify save_bool in cpickle.
asyncio: Add BoundedSemaphore to export list in locks.__all__.
Merge save_int into save_long in cpickle to remove redundant code.

Also, replace unnessary uses of the #if preprocessor directive.
asyncio: Fix docstring of get_nowait().