DOC: Clarify what Categorical takes.
REF: Deprecate Factor for Categorical.
ENH/DOC: Allow levels=None for Categorical
TST: Test Categorical constructor with levels=None
DOC: Coherent english in docstring
TST: Test describe method of Categorical
ENH: Add a describe method to Categorical.
REF: Remove Factor alias left by mistake.
ENH: Add levels=None in deprecated class too.
DOC: Factor -> Categorical.
REF: Factor -> Categorical.
TST: Test Series.sort with ascending
ENH: Allow sorting of Series in ascending order
ENH: examples for release notes and fix up nested dict example and test

fix up rough edges of docs and add a more thorough test for nested dicts

fix unintended example
TST: issue (#3628) when writing a dataframe column of integers to sqlite
BUG : issue (#3628) when writing a dataframe column of integers to sqlite
TST: Add failing str.replace test with flags
ENH: Allow passing of flags in replace
ENH: add Series.str iterator

add release notes

py26 TestCase does not support assertIsInstance

print out testvalu

add superfluous print statemetns

change tests

forgot gh issue target
Merge branch 'series-str-iter-3638' of https://github.com/cpcloud/pandas into cpcloud-series-str-iter-3638