DOC: add cookbook entry
API/ENH: pass thru store creation arguments for HDFStore; can be used to support in-memory stores
Merge pull request #5499 from jreback/hdf_args

API/ENH: pass thru store creation arguments for HDFStore; can be used to support in-memory stores
PERF: msgpack encoding changnes to use to/from string for speed boosts
API: disable sparse structure encodings and unicode indexes
ENH: allow msgpack to accept and return string-like objects in addition to files
Merge pull request #5498 from jreback/msgpack_perf

PERF: msgpack encoding changes to use to/from string for speed boosts
BUG: bug in to_msgpack for timezone aware datetime index
BUG: bug in to_msgpack for no freqstr datetime index (GH5506)

TST: msgpack complex test comparisons fixed

API: allow df.to_msgpack() to return a string (no need to specify None for the path_or_buf)
Merge pull request #5507 from jreback/msgpack_bug

BUG: bug in to_msgpack for timezone aware datetime index
DOC: doc corrections basics.rst / io.rst
BUG: Fixed various setitem with iterable that does not have a matching
     length to the indexer (GH5508)
Merge pull request #5512 from jreback/indexing_bug

BUG: Fixed various setitem with iterable that does not have a matching length to the indexer (GH5508)
ENH add cumcount groupby method
DOC add cumcount example to groupby.rst
Merge pull request #5510 from hayd/groupby_cumcount

ENH add cumcount groupby method
Ensure that we can get a commit number from git

Currently, git describe fails with "fatal: No names found, cannot describe anything."
Merge pull request #5520 from invisibleroads/patch-2

Ensure that we can get a commit number from git
BUG: Bug in getitem with a multi-index and iloc (GH5528)
Merge pull request #5529 from jreback/iloc_mi

BUG: Bug in getitem with a multi-index and iloc (GH5528)
CLN: PEP8 cleanup
Merge pull request #5038 from alefnula/pep8

CLN: PEP8 cleanup