Add other options from source: https://github.com/6pac/SlickGrid/blob/f515b9b8cbafc23b0da9cde0705967158219687c/slick.grid.js#L57 Improve dataItemColumnValueExtractor.
Add other options from source: https://github.com/6pac/SlickGrid/blob/f515b9b8cbafc23b0da9cde0705967158219687c/slick.grid.js#L57
Improve dataItemColumnValueExtractor.

georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped,borisyankov/DefinitelyTyped,mcliment/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,borisyankov/DefinitelyTyped,georgemarshall/DefinitelyTyped,markogresak/DefinitelyTyped,dsebastien/DefinitelyTyped