Helpers used across multiple packages

* [JSONable](./Util/JSONable.md)
* [Polynomial](./Util/Polynomial.md)
* [SeriesManipulation](./Util/SeriesManipulation.md)
* [SortedLinkedList](./Util/SortedLinkedList.md)
* [TimedDataMap](./Util/TimedDataMap.md)
* [UrlModelService](./Util/UrlModelService.md)
* [Util](./Util/Util.md)
