- Reader should always set value and type explicitly
- Add TYPE_ERROR checker
# Reader
- Fix test for oddHeader
- merged
DataValidation usage documentation has a small error: ValidationType.LIST needs list choices passed into 'formula1' argument. If passed as an unnamed argument it goes into the 'operator' argument (and doesn't work).
usage.rst edited online with Bitbucket

--HG--
branch : dsclementsen/datavalidation-usage-documentation-has-a-1370408333394
Fixed issue that the reader never set the active sheet
Merged in dsclementsen/openpyxl-1/dsclementsen/datavalidation-usage-documentation-has-a-1370408333394 (pull request #42)

DataValidation usage documentation has a small error: ValidationType.LIST needs list choices passed into 'formula1' argument. If passed as an unnamed argument it goes into the 'operator' argument (and doesn't work).
Merged in d4nt/openpyxl (pull request #43)

Fixed issue that the reader never set the active sheet
Merged in dirkovanschalkwyk/openpyxl (pull request #33)
[cell] don't use unicode litterals