[Serialize] Ignore empty and invalid header items and fix a typo
[Serialize] Ignore empty and invalid header items and fix a typo

carlst/rib,suoko/rib,xuzhang/rib,VIP000/rib,byjg/rib,b-cuts/rib,01org/rib,jmptrader/rib,crazyart/rib,KevinChanH/rib,crazyart/rib,2braincells2go/rib,jmptrader/rib,suoko/rib,eaglebk/rib,jsphkhan/rib,VIP000/rib,crazyart/rib,2braincells2go/rib,cubemoon/rib,suoko/rib,taubmann/rib,KevinChanH/rib,jsphkhan/rib,amithnair/rib,jmptrader/rib,DonnaWuDongxia/rib,2braincells2go/rib,smallertomato/rib,b-cuts/rib,Galen-Titanium/rib,ndkeren/rib,modulexcite/rib,ndkeren/rib,carlst/rib,01org/rib,smallertomato/rib,modulexcite/rib,vevedh/rib,b-cuts/rib,Galen-Titanium/rib,eaglebk/rib,byjg/rib,01org/rib,modulexcite/rib,Galen-Titanium/rib,xuzhang/rib,amithnair/rib,amithnair/rib,taubmann/rib,cubemoon/rib,DonnaWuDongxia/rib,xuqingkuang/rib,xuqingkuang/rib,vevedh/rib,KevinChanH/rib