Graphs: boxing elimination, also fixes #155
Graphs: boxing elimination, also fixes #155

jeddytier4/Opserver,maurobennici/Opserver,opserver/Opserver,geffzhang/Opserver,mqbk/Opserver,manesiotise/Opserver,rducom/Opserver,mqbk/Opserver,rducom/Opserver,manesiotise/Opserver,geffzhang/Opserver,manesiotise/Opserver,opserver/Opserver,opserver/Opserver,VictoriaD/Opserver,jeddytier4/Opserver,GABeech/Opserver,maurobennici/Opserver,VictoriaD/Opserver,GABeech/Opserver