Add tests and remove dead comments
Add tests and remove dead comments

eefriedman/serde,JohnHeitmann/serde,Byron/serde,thorbenk/serde,csmulhern/serde,Hoverbear/serde,serde-rs/serde,tempbottle/serde,3Hren/serde,sidred10/serde,erickt/serde,oli-obk/rust-serde,pcwalton/serde,jmesmon/serde,skade/serde,infinityb/serde,Ticki/serde