add compression support for 'read_pickle' and 'to_pickle'#13317

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goldenbull wants to merge 11 commits intopandas-dev:masterfrom

goldenbull:pickle_io_compression

Commits on Dec 18, 2016

add compression support for pickle
goldenbull
committed

Commits on Dec 28, 2016

Merge branch 'master' into pickle_io_compression
goldenbull
authored

Commits on Dec 29, 2016

Commits on Dec 30, 2016

add zip decompression support. refactor using lambda.
goldenbull
committed

Commits on Jan 3, 2017

Remove prepared compressed data. _get_handle will take care of compressed I/O
goldenbull
committed

Commits on Jan 4, 2017

move pickle compression tests into a new class
goldenbull
committed

Commits on Mar 3, 2017

Merge remote-tracking branch 'origin/master' into pickle_io_compression
goldenbull
committed

Commits on Mar 6, 2017

change test to new pytest parameterized style
goldenbull
committed

Commits on Mar 8, 2017

update docs. re-write all tests to avoid round-trip read/write comparison.
goldenbull
committed

Commits on Mar 9, 2017

docs update
goldenbull
committed