pydata/pandas — pull request #3693 by jreback (2013-05-25 00:40:50+00:00)
Title: CLN: added io.api for i/o importing functions

closes most of #3411 (all except the deprecation of ``from_csv``)

- moved excel functionaility out of io.parsers to io.excel
added read_excel top-level function
aliases from pandas.io.excel
- added read_stata top-level function, to_stata DataFrame method
aliases from pandas.io.stata
removed read_dta (replace by read_stata)
- added read_sql top-level function, to_sql DataFrame method
aliases from pandas.io.sql

DOC: doc updates for all the above and intro section to io.rst