Added new object Facts; added Drilldown.high_cardinality_*_drilldown() methods
Added new object Facts; added Drilldown.high_cardinality_*_drilldown() methods

she11c0de/cubes,jell0720/cubes,zejn/cubes,noyeitan/cubes,pombredanne/cubes,noyeitan/cubes,cesarmarinhorj/cubes,she11c0de/cubes,ubreddy/cubes,pombredanne/cubes,noyeitan/cubes,zejn/cubes,ubreddy/cubes,ubreddy/cubes,jell0720/cubes,cesarmarinhorj/cubes,zejn/cubes,she11c0de/cubes,pombredanne/cubes,jell0720/cubes,cesarmarinhorj/cubes