Initial implementation of the ISO week datepicker extension.
Updated minified plugin and example.
Updated to parse manual input. Updated package files and dependencies.
Fixed Sundays from being moved to the next week.
Fixed week skipping on datepicker.
Added unit tests based on Wikipedia examples. Further fixes on the code based on unit tests.
Merge pull request #1 from fskreuz/master

Initial implementation of the ISO week datepicker extension.