- sector checked before reading (h/t @e12009) See https://github.com/SheetJS/js-xlsx/issues/569 - flow type checking
- reworked IIFE - avoid Buffer read helpers (see https://github.com/joyent/node/issues/7809) - avoid nested functions in parse - eliminate consecutive nulls in test files (libreoffice) - travis + coveralls support - jscs linting