- read and write support for Flat ODS files
- read support for Uniform Office Spreadsheet (UOS)
- IE6-8 cell regex split fix (fixes#350#140#268 h/t @Aymkdn @C0d3ine)
- replace substr negative index with slices (fixes#351 h/t @Aymkdn)
- ODS parsexmltag ignores ext overrides (fixes#548 h/t @lgodard)
- csv can be written using write/writeFile with csv type
- added `type` to README (fixes#432 h/t @tomkel)
- BIFF 2-12 formula parsing
- more content type coverage
- unified `.f` form: A1-style string
- `.F` field for array formulae
- formula output groups array formulae
- bin script -A --arrays output JS row objects
- whitespace robustness in inline string xml
- UTF-8 parsing in rich text runs (fixes#505 h/t @fuchsc)
- bold/italic/underline accept null val attr (h/t @qqilihq)
- sst trimming (fixes#176 h/t @shakhal @oising)
- more structure in the theme parsing
- cellDates option on parsing side creates date cells
- cellDates option on writing side creates cells with type 'd'
- cell types clarified, type 'str' phased out
- README clarifications
- more tests to ensure date consistency
- more test cases for ODS
