API: Allow equality comparisons of Series with a categorical dtype and object dtype are allowed (previously would raise TypeError) (GH8938)
DOC: equality comparisons with categorical data are now allowed
FIX: use decorator to append read_frame/frame_query docstring (GH8315)
Merge pull request #8988 from jorisvandenbossche/sql-8315

FIX: use decorator to append read_frame/frame_query docstring (GH8315)
DOC: categorical sort doc updates
Merge pull request #8946 from jreback/cat_equal

API: Allow equality comparisons of Series with a categorical dtype and object type are allowed (GH8938)
PERF: add exact kw to to_datetime to enable faster regex format parsing for datetimes (GH8904)
BUG: fix GH8989 to parse nanoseconds with %f format