ENH: Add sym_diff for index

update release and docs
Merge pull request #6378 from TomAugspurger/interpolate-ignore-good3

BUG: interpolate should preserve dtypes
Merge pull request #6016 from TomAugspurger/symmetric-difference

ENH: Add sym_diff for index
CLN: Change assert_(a in b) and assert_(a not in b) to specialized forms

Work on #6175. Changes instances of assert_(a [not] in b) to specialized assert[Not]In(a,b).
Merge pull request #6381 from bwignall/assert_6175_newAsserts_2

CLN: Change assert_(a in b) and assert_(a not in b) to specialized forms
TST: dtype comparisons on windows in test_generic.py
FIX: hdfstore queries of the form where=[('date', '>=', datetime(2013,1,1)), ('date', '<=', datetime(2014,1,1))] were broken
- modified Expr.parse_back_compat to check for tuples, in w, and unpack into w, op, value
- modified Expr.__init__ to modify the where list/tuple with the parsed result
added test by taking test_term_compat, and removing all Term calls
DOC: added release note about #6313
TST: checked for DeprecationWarning on tests for backwards compatability logic
BUG: Bug in Series.get, was using a buggy access method (GH6383)
CLN: Change assert_(a is [not] None) to specialized forms

Work on #6175. Changes instances of assert_(a is [not] None) to specialized assertIs[Not]None(a).
Merge pull request #6385 from jreback/get_bug

BUG: Bug in Series.get, was using a buggy access method (GH6383)
Merge branch 'pytables_backwards_compatability' of https://github.com/hhuuggoo/pandas into hhuuggoo-pytables_backwards_compatability

Conflicts:
	doc/source/release.rst
Merge pull request #6386 from bwignall/assert_6175_newAsserts_3

CLN: Change assert_(a is [not] None) to specialized forms
CLN: Specialize assert_(np.array_equal(...))

Work on #6175. This is the third (and final) "half" of the work started in #6368.
BUG: Bug in DataFrame.dropna with duplicate indicies (GH6355)
Merge pull request #6388 from jreback/dups_dropna

BUG: Bug in DataFrame.dropna with duplicate indices (GH6355)
DOC: add cookbook example for reading in simple binary file formats
Merge pull request #6390 from cpcloud/cookbook-read-bin-6305

DOC: add cookbook example for reading in simple binary file formats