increase default max buffer length to 300s
increase default max buffer length to 300s

NicolasSiver/flashls,aevange/flashls,hola/flashls,neilrackett/flashls,tedconf/flashls,clappr/flashls,School-Improvement-Network/flashls,thdtjsdn/flashls,Boxie5/flashls,fixedmachine/flashls,loungelogic/flashls,NicolasSiver/flashls,jlacivita/flashls,JulianPena/flashls,Peer5/flashls,viktorot/flashls,Corey600/flashls,suuhas/flashls,suuhas/flashls,JulianPena/flashls,loungelogic/flashls,vidible/vdb-flashls,mangui/flashls,Peer5/flashls,aevange/flashls,suuhas/flashls,School-Improvement-Network/flashls,dighan/flashls,Boxie5/flashls,mangui/flashls,jlacivita/flashls,tedconf/flashls,viktorot/flashls,aevange/flashls,fixedmachine/flashls,dighan/flashls,codex-corp/flashls,Peer5/flashls,neilrackett/flashls,viktorot/flashls,codex-corp/flashls,School-Improvement-Network/flashls,hola/flashls,thdtjsdn/flashls,suuhas/flashls,Corey600/flashls,Peer5/flashls,vidible/vdb-flashls,clappr/flashls,aevange/flashls