ERT-747: Added cell_list argument to function
ERT-747: Implemented __add__ for polyline objects.
ERT-747: Added GeometryTools.extendToEdge()
ERT-747: Added ray polyline intersection test
ERT-747: Added test.assertRaises(IOError)
ERT-747: Added test for assertClosed()
ERT-747: Final check of create_region before removal
ERT-747: Added function to find (i,j) from (x,y)
ERT-747: Function to return corner nearest (x,y)
ERT-747: Added more testing
ERT-747: Regions: WIP
ERT-747: Added new (failing) ecl_grid_test
ERT-747: Refactored irap format control
ERT-747: Fixed polygon contains implementation
ERT-747: Updated layer contains testing
ERT-747: Moved code from RegionDefinition to RegionTools
ERT-747: Changed default name to None
ERT-747: Updated test
ERT-747: Added name property to polygon.
ERT-747: Added class CPolyline