* For get/get_all, it would return list even if the total count is 1, previously it used to return dict if count is 1 else list.
* Added support to return only required fields in get(), get_all()
* Added support for filter in get(), get_all().
* Added support for count().
* Made most of the parts generic in the SDK
* Fixed get_all() of employees, which now returns any number of rows