Auto merge of #80 - jamwt:fix_arg, r=Hoverbear
Auto merge of #80 - jamwt:fix_arg, r=Hoverbear

Bugfix: CAS mode was using wrong argument for expected value.

(emerged while testing hashmap example locally)

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