- basic style + theme parsing, option .cellStyles (h/t @eladxxx)
- more XLSB writing stubs
- correct resolution of .xml/.bin files
- sheet_to_json improvements from js-xls
o opts.header = 1 for array of arrays
o opts.header = 'A' for spreadsheet column labels
o custom opts.header array for custom labels
o opts.range = n starts from row n
o opts.range = range restricts writer to work within the specified range
- Makefile adapted to work with cygwin on windows
- very basic XLSX / XLSM write support with roundtrip tests (XLSB stubs)
- reorganized source tree
- new XLSB range check ensures that A1 is not emitted for empty sheets
- SSF table emitted in output (consistent with js-xls)
- CLI supports writing
Backwards-incompatible changes:
o new Property aliases (see CORE_PROPS and EXT_PROPS)
o FILETIME custom properties parsed as JS Dates
o `xlsx2csv` -> `xlsx` (and `bin/xlsx{2csv,}.njs`)
