Filter out invalid resultid/courseid
Filter out invalid resultid/courseid

Closes #163

MaBreaker/rg2,Maprunner/rg2,Maprunner/rg2,MaBreaker/rg2,Maprunner/rg2,MaBreaker/rg2,LukeWoodward/rg2,LukeWoodward/rg2,LukeWoodward/rg2