Added made exceptions more verbose regarding optional dependencies (#176) CLI username, password and DHuS URL can be set with environment variables DHUS_USER, DHUS_PASSWORD and DHUS_URL (#184, @temal-) added information about known errors and DHuS issues to docs (#186, @martinber) Changed remove hard coded product type list from cli (#190, @lenniezelk) Made the function signature of count() fully compatible with query(). Irrelevant parameters are simply ignored. Deprecated environment variables SENTINEL_USER and SENTINEL_PASSWORD are superceded by DHUS_USER and DHUS_PASSWORD Fixed Updated handling of invalid queries. An exception is raised in such cases. #168 Fixed order_by parameter being ignored in queries that require multiple subqueries (that is, queries that return more than 100 products) (#200) Special handling of quote symbols in query strings due to a server-side error is no longer necessary and has been removed. #168 Updated effective query length calculation in check_query_length() to reflect server-side changes. skip failing tests on optional dependency Pandas for Python 3.3 and 3.4 Unit tests work irrespective of the directory they are run from.