Update doc/server.rst
Update doc/server.rst

Added information on set cuts through the slicer

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