BUG: bug in timedelta ops on 32-bit platforms (GH6808)
BUG/ENH: Fix to_excel representation of inf values
Merge pull request #6812 from jtratner/excel-inf

BUG/ENH: Fix to_excel representation of inf values
BUG/API: disallow boolean arithmetic operations
CLN/TST: move ops test from test_frame.py to test_expressions.py
BUG: check for dtype attr then check block types if no dtype attr
Merge pull request #6803 from cpcloud/bool-arith-ops-6762

BUG/API: disallow boolean arithmetic operations
CLN: replace pandas.compat.scipy.scoreatpercentile with numpy.percentile
CLN/TST: return Timestamp for .quantile on datetime[ns] series