- all utilities are now wrapped in XLSX object
- codepage handling (h/t @xch89820)
- formula tag attributes (h/t @shaunthomas999)
- hyperlink support (h/t @sysarchitect, fixes#55)
- coverage test spinner (to prevent travis timeouts)
- cell.r holds the raw rich text, cell.h now holds the html
(version 0.5.0 cell.raw -> cell.r, cell.r -> cell.h)
- similar changes to comments and XLSB generation
- removed some unused binary methods