- TZ consistency for DBF and others (closes#663 h/t @peeyushsrivastava)
- Date1904 XLSX/XLSB/XLS/XLML consistency (fixes#175 h/t @SheetJSDev)
- dateNF corrects for plaintext date parsing (fixes#658 h/t @mmancosu)
- new travis tests override local time zones
- chartsheets are now stored as sheets with "!type" set to "chart"
- fixed Strict XML Workbook Relationships
- stubbed support for dialog and macro sheets
- removed legacy XLS `!range` field