Changelog:
- New feature: calendar week numbers
self.config.weekNumbers: true/false (default)
- New feature: UTC date mode
- Parses, formats, and displays dates in UTC (especially useful for storing datestrings in db etc)
self.config.utc: true/false (default)
- Errors in a calendar instance will no longer crash other calendars
- Improved datestring parsing
- cross-browser support for UTC datestrings that'd break in e.g. firefox (#66)
- Other fixes/improvements: