added reusable get_json() that respects custom encoder and prettyprint
added reusable get_json() that respects custom encoder and prettyprint

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