Typo in 'XFormToDict()'.
Fix 'xform2json' to support single-question surveys (for testing purposes).
Added more tests.
Implement exporting surveys to XLSForms (in XLS or CSV format).
Use pre-defined constants in spreadsheet export code.
Created convenience functions for creating 'Survey' objects from various file formats.
Added tests for spreadsheet exporting.
Added support for Unicode in exported CSVs. Improved spreadsheet export testing.
Allow exported XLSForms to be directly imported into KoBoForm.
Allow exporting non-multiple-choice surveys to spreadsheets.
Forgotten testing fixture.
Adding constants and refactoring for more consistent use of constants.
Utilize reuse in tracking question types.
Readability refactoring.
Provide XForm and XLSForm question/data type constants.
Allow (old KF) types including those prefixed with 'xsd:'.
Added limited support for XForms whose titles include translations.
Export translations in XLSForms.
Merge branch 'survey_to_spreadsheet' into import_old_kf
Error message typo.