update rl to 0.4.2
update rl to 0.4.2

Alefas/Scalatra,dozed/scalatra,Alefas/Scalatra,lloydmeta/scalatra,lightvector/scalatra,offner/scalatra,offner/scalatra,0xfaded/scalatra,seratch/scalatra,offner/scalatra,lloydmeta/scalatra,seratch/scalatra,lzpfmh/scalatra,lightvector/scalatra,seratch/scalatra,dozed/scalatra,dozed/scalatra,lightvector/scalatra,Alefas/Scalatra,lzpfmh/scalatra,lzpfmh/scalatra,0xfaded/scalatra