Gspread

------------------

* Fix exception format to support Python 2.6

------------------

* Use request session's connection pool in HTTPSession

* Removed deprecated ClientLogin

------------------

* Use Python requests instead of the native HTTPConnection object

* Optimized row_values and col_values

* Optimized row_values and col_values
Removed the _fetch_cells call for each method. This eliminates the
adverse effect on runtime for large worksheets.

Fixes 285, 190, 179, and 113

* Optimized row_values and col_values
Removed the _fetch_cells call for each method. This eliminates the
adverse effect on runtime for large worksheets.

Fixes 285, 190, 179, and 113

* Altered insert_row semantics to utilize range
This avoids issuing one API request per cell to retrieve the Cell
objects after the insertion row. This provides a significant speed-up
for insertions at the beginning of large sheets.

* Added mock tests for Travis (MockSpreadsheetTest)

* Fixed XML header issue with Python 3

* Fixed Worksheet.export function and associated test

* Added spreadsheet feed helper

* Add CellNotFound to module exports
Fixes 88

* Fixed utf8 encoding error caused by duplicate XML declarations
* Fixed AttributeError when URLError caught by HTTPError catch block
Fixes 257

* Added __iter__ method to Spreadsheet class

* Fixed export test
* Switched tests to oauth

------------------

* Deprecation warning for ClientLogin 210
* Redirect github pages to ReadTheDocs
* Bugfixes

------------------

* Output error response 219 170 194.
* Added instructions on how to get oAuth credentials to docs.

------------------

* Fixed issue with `Spreadsheet.del_worksheet`.
* Automatically refresh OAuth2 token when it has expired.
* Added an `insert_row` method to `Worksheet`.
* Moved docs to Read The Docs.
* Added the `numeric_value` attribute to `Cell`.
* Added title property to `Spreadsheet`.
* Support for exporting worksheets.
* Added row selection for keys in `Worksheet.get_all_records`.