small nits sockets need not be mutable
small nits sockets need not be mutable

jamwt/raft,danburkert/raft,frewsxcv/raft-rs,tschottdorf/raft,Hoverbear/raft,Hoverbear/raft,pwoolcoc/raft,placrosse/raft,tempbottle/raft-1,frewsxcv/raft-rs,achanda/raft,danburkert/raft,tschottdorf/raft