DOC: some stylistic improvements to docstring rendering in documentation
DOC: correction of example in unstack docstring
BLD: json mingw doesnt have sprintf_s
Merge pull request #4778 from Komnomnomnom/json-win-build-oops

BLD: windows builds failing in pandas.json (#4764)
TST: windows dtype 32-bit fixes
FIX: iso date encoding year overflow
Merge pull request #4870 from Komnomnomnom/win-dtype-32-bit-fixes

TST: windows dtype 32-bit fixes
Merge pull request #4871 from Komnomnomnom/iso-date-overflow

FIX: iso date encoding year overflow
ENH: Add makePeriodPanel
BUG: (GH4853) Fixed Panel.shift/tshift to use freq.
TST: Added Panel.tshift test case
RST: Added to release notes
CLN: on top of dale-jung 4863, remove shift from series.py, move to generic.py
DOC: v0.13.0 adds
Merge pull request #4864 from dalejung/panel-tshift-4853

Panel tshift 4853
CLN: clean up test_graphics.py
CLN: clean up tseries/tests/test_plotting.py
Merge pull request #4876 from cpcloud/plotting-test-cleanup

CLN: clean up test plotting
BUG: Fix for issue with PythonParser::_check_thousands. (GH4596)
Merge pull request #4602 from cancan101/number_parsing

Fixes issue with TextFileReader using python engine and thousands != ","
BUG: bug in getitem with a duplicate index when using where (GH4879)
Merge pull request #4881 from jreback/boolean_dup

BUG: bug in getitem with a duplicate index when using where (GH4879)
CLN: move README.rst to markdown