BUG: reset setitem_copy on object enlargement
TST: eliminate SettingWithCopyWarnings in tests (catch them)

TST: tests for GH5597

BUG: don't set copy on equal indexes after an operation
TST: add testing base TestCase to provide global testing config
TST: changed refs to use testing/TestCase where setUpClass/tearDownClass are defined
TST: change from using unittest.TestCase directly to using pandas.util.testing.TestCase
BUG: replace with a scalar works like a list of to_replace for compat with 0.12 (GH5319)
BUG: repr formating to use iloc rather than getitem for element access (GH5605)
Merge pull request #5606 from jreback/fix_repr

BUG: repr formating to use iloc rather than getitem for element access (GH5605)
Merge pull request #5584 from jreback/copy_warn

BUG/TST: reset setitem_copy on object enlargement
RLS: first release candidate for v0.13
Merge pull request #5617 from changhiskhan/master

RLS: first release candidate for v0.13
CLN: Trim includes of absent files
Merge pull request #5624 from neirbowj/trim-manifest

CLN: Trim includes of absent files
TST: Always try to close file descriptors of tempfiles

TST: Close file descriptors in io/tests/pytables
Merge pull request #5626 from jtratner/always-close-tempfiles

TST: Always try to close file descriptors of tempfiles
BUG/TST: importing util.clipboard shouldnt print to stdout (nosetests)
Merge pull request #5627 from y-p/PR_no_noise_clipboard

BUG/TST: importing util.clipboard shouldnt print to stdout (nosetests)
Merge pull request #5600 from jreback/replace_api

BUG: replace with a scalar works like a list of to_replace for compat with 0.12 (GH5319)
CLN: expand groupby dispatch whitelist (GH5480)

and create groupby dispatch blacklist
add missing groupby whitelist test
TST: improve groupby whitelist testing

required separate whitelists for SeriesGroupBy and DataFrameGroupBy objects