Version 1.8.9

Whatsnew for version 1.8.9:
- added column Card #
- added columns memberCreator, datetimeCreated, datetimeDone and
memberDone pulling modifications from
https://github.com/bmccormack/export-for-trello/blob/5b2b8b102b98ed2c49241105cb9e00e44d4e1e86/trelloexport.js
- added linq.min.js library to support linq queries for the above
modifications