Basic Anki support and plan for sync (#9) * centralize with robo.yml * update CI settings * performance hits on large number of cards * set basis for pouchdb and couchdb * correct appveyor.yml * add basic import/export functions * add more basic sqlite functions * fully configue node-sqlite3 * make it work * use table+join instead of Set row * try create syncing skeleton * try running * finalize anki support * build to exe * correct CI