Removed some spurious static_casts (of block tokens) in the semantic checking serializer.
Removed some spurious static_casts (of block tokens) in the semantic checking serializer.

RubenKelevra/rethinkdb,captainpete/rethinkdb,nviennot/rethinkdb,sbusso/rethinkdb,sontek/rethinkdb,ayumilong/rethinkdb,grandquista/rethinkdb,ajose01/rethinkdb,spblightadv/rethinkdb,jfriedly/rethinkdb,sontek/rethinkdb,niieani/rethinkdb,alash3al/rethinkdb,JackieXie168/rethinkdb,elkingtonmcb/rethinkdb,gavioto/rethinkdb,sontek/rethinkdb,mcanthony/rethinkdb,sontek/rethinkdb,Wilbeibi/rethinkdb,wojons/rethinkdb,nviennot/rethinkdb,Wilbeibi/rethinkdb,dparnell/rethinkdb,losywee/rethinkdb,niieani/rethinkdb,losywee/rethinkdb,eliangidoni/rethinkdb,tempbottle/rethinkdb,AntouanK/rethinkdb,wojons/rethinkdb,elkingtonmcb/rethinkdb,urandu/rethinkdb,lenstr/rethinkdb,marshall007/rethinkdb,ajose01/rethinkdb,Qinusty/rethinkdb,mbroadst/rethinkdb,bchavez/rethinkdb,losywee/rethinkdb,gdi2290/rethinkdb,nviennot/rethinkdb,eliangidoni/rethinkdb,mbroadst/rethinkdb,jmptrader/rethinkdb,RubenKelevra/rethinkdb,losywee/rethinkdb,robertjpayne/rethinkdb,alash3al/rethinkdb,captainpete/rethinkdb,ajose01/rethinkdb,marshall007/rethinkdb,jmptrader/rethinkdb,AntouanK/rethinkdb,alash3al/rethinkdb,captainpete/rethinkdb,wkennington/rethinkdb,mcanthony/rethinkdb,lenstr/rethinkdb,rrampage/rethinkdb,mbroadst/rethinkdb,bpradipt/rethinkdb,spblightadv/rethinkdb,yakovenkodenis/rethinkdb,jfriedly/rethinkdb,sbusso/rethinkdb,bpradipt/rethinkdb,niieani/rethinkdb,tempbottle/rethinkdb,victorbriz/rethinkdb,rrampage/rethinkdb,jmptrader/rethinkdb,scripni/rethinkdb,gavioto/rethinkdb,dparnell/rethinkdb,captainpete/rethinkdb,jesseditson/rethinkdb,ajose01/rethinkdb,jmptrader/rethinkdb,bchavez/rethinkdb,tempbottle/rethinkdb,spblightadv/rethinkdb,gdi2290/rethinkdb,jfriedly/rethinkdb,robertjpayne/rethinkdb,urandu/rethinkdb,catroot/rethinkdb,wkennington/rethinkdb,4talesa/rethinkdb,dparnell/rethinkdb,sebadiaz/rethinkdb,jesseditson/rethinkdb,ajose01/rethinkdb,Qinusty/rethinkdb,ayumilong/rethinkdb,Qinusty/rethinkdb,rrampage/rethinkdb,Wilbeibi/rethinkdb,sbusso/rethinkdb,AtnNn/rethinkdb,4talesa/rethinkdb,jesseditson/rethinkdb,nviennot/rethinkdb,scripni/rethinkdb,wujf/rethinkdb,sbusso/rethinkdb,AtnNn/rethinkdb,losywee/rethinkdb,wojons/rethinkdb,niieani/rethinkdb,bchavez/rethinkdb,yakovenkodenis/rethinkdb,bpradipt/rethinkdb,gavioto/rethinkdb,niieani/rethinkdb,mcanthony/rethinkdb,wujf/rethinkdb,yakovenkodenis/rethinkdb,KSanthanam/rethinkdb,gdi2290/rethinkdb,wojons/rethinkdb,victorbriz/rethinkdb,yaolinz/rethinkdb,victorbriz/rethinkdb,bchavez/rethinkdb,yaolinz/rethinkdb,jfriedly/rethinkdb,dparnell/rethinkdb,jesseditson/rethinkdb,JackieXie168/rethinkdb,sbusso/rethinkdb,marshall007/rethinkdb,niieani/rethinkdb,dparnell/rethinkdb,yakovenkodenis/rethinkdb,greyhwndz/rethinkdb,scripni/rethinkdb,bpradipt/rethinkdb,bchavez/rethinkdb,KSanthanam/rethinkdb,AtnNn/rethinkdb,robertjpayne/rethinkdb,grandquista/rethinkdb,dparnell/rethinkdb,greyhwndz/rethinkdb,ayumilong/rethinkdb,KSanthanam/rethinkdb,KSanthanam/rethinkdb,matthaywardwebdesign/rethinkdb,elkingtonmcb/rethinkdb,grandquista/rethinkdb,rrampage/rethinkdb,urandu/rethinkdb,grandquista/rethinkdb,greyhwndz/rethinkdb,rrampage/rethinkdb,robertjpayne/rethinkdb,mcanthony/rethinkdb,AtnNn/rethinkdb,eliangidoni/rethinkdb,yaolinz/rethinkdb,wojons/rethinkdb,Wilbeibi/rethinkdb,eliangidoni/rethinkdb,jmptrader/rethinkdb,Wilbeibi/rethinkdb,sebadiaz/rethinkdb,gdi2290/rethinkdb,elkingtonmcb/rethinkdb,wujf/rethinkdb,gdi2290/rethinkdb,jesseditson/rethinkdb,marshall007/rethinkdb,captainpete/rethinkdb,losywee/rethinkdb,jmptrader/rethinkdb,ajose01/rethinkdb,wkennington/rethinkdb,pap/rethinkdb,4talesa/rethinkdb,elkingtonmcb/rethinkdb,jesseditson/rethinkdb,pap/rethinkdb,catroot/rethinkdb,grandquista/rethinkdb,dparnell/rethinkdb,KSanthanam/rethinkdb,matthaywardwebdesign/rethinkdb,urandu/rethinkdb,wkennington/rethinkdb,bchavez/rethinkdb,marshall007/rethinkdb,eliangidoni/rethinkdb,nviennot/rethinkdb,dparnell/rethinkdb,losywee/rethinkdb,wujf/rethinkdb,matthaywardwebdesign/rethinkdb,Qinusty/rethinkdb,mbroadst/rethinkdb,ayumilong/rethinkdb,mquandalle/rethinkdb,pap/rethinkdb,jfriedly/rethinkdb,AntouanK/rethinkdb,grandquista/rethinkdb,bpradipt/rethinkdb,eliangidoni/rethinkdb,AntouanK/rethinkdb,mcanthony/rethinkdb,sebadiaz/rethinkdb,victorbriz/rethinkdb,yaolinz/rethinkdb,jmptrader/rethinkdb,RubenKelevra/rethinkdb,JackieXie168/rethinkdb,Qinusty/rethinkdb,scripni/rethinkdb,mquandalle/rethinkdb,scripni/rethinkdb,catroot/rethinkdb,catroot/rethinkdb,eliangidoni/rethinkdb,wojons/rethinkdb,JackieXie168/rethinkdb,wujf/rethinkdb,JackieXie168/rethinkdb,pap/rethinkdb,matthaywardwebdesign/rethinkdb,spblightadv/rethinkdb,gavioto/rethinkdb,mbroadst/rethinkdb,victorbriz/rethinkdb,wojons/rethinkdb,RubenKelevra/rethinkdb,ajose01/rethinkdb,mbroadst/rethinkdb,bchavez/rethinkdb,elkingtonmcb/rethinkdb,sebadiaz/rethinkdb,catroot/rethinkdb,wkennington/rethinkdb,4talesa/rethinkdb,ayumilong/rethinkdb,jfriedly/rethinkdb,Qinusty/rethinkdb,elkingtonmcb/rethinkdb,robertjpayne/rethinkdb,ayumilong/rethinkdb,greyhwndz/rethinkdb,JackieXie168/rethinkdb,Qinusty/rethinkdb,AntouanK/rethinkdb,jesseditson/rethinkdb,sebadiaz/rethinkdb,matthaywardwebdesign/rethinkdb,gdi2290/rethinkdb,urandu/rethinkdb,robertjpayne/rethinkdb,yaolinz/rethinkdb,alash3al/rethinkdb,ayumilong/rethinkdb,KSanthanam/rethinkdb,4talesa/rethinkdb,tempbottle/rethinkdb,greyhwndz/rethinkdb,Wilbeibi/rethinkdb,RubenKelevra/rethinkdb,scripni/rethinkdb,marshall007/rethinkdb,robertjpayne/rethinkdb,bpradipt/rethinkdb,Wilbeibi/rethinkdb,sontek/rethinkdb,urandu/rethinkdb,yakovenkodenis/rethinkdb,elkingtonmcb/rethinkdb,yaolinz/rethinkdb,catroot/rethinkdb,sbusso/rethinkdb,jesseditson/rethinkdb,yaolinz/rethinkdb,tempbottle/rethinkdb,victorbriz/rethinkdb,nviennot/rethinkdb,sontek/rethinkdb,niieani/rethinkdb,matthaywardwebdesign/rethinkdb,losywee/rethinkdb,matthaywardwebdesign/rethinkdb,mbroadst/rethinkdb,yaolinz/rethinkdb,gavioto/rethinkdb,pap/rethinkdb,mquandalle/rethinkdb,grandquista/rethinkdb,mcanthony/rethinkdb,AntouanK/rethinkdb,RubenKelevra/rethinkdb,spblightadv/rethinkdb,lenstr/rethinkdb,bpradipt/rethinkdb,tempbottle/rethinkdb,ayumilong/rethinkdb,pap/rethinkdb,Qinusty/rethinkdb,JackieXie168/rethinkdb,mbroadst/rethinkdb,sbusso/rethinkdb,jfriedly/rethinkdb,sebadiaz/rethinkdb,RubenKelevra/rethinkdb,greyhwndz/rethinkdb,wkennington/rethinkdb,alash3al/rethinkdb,sontek/rethinkdb,mcanthony/rethinkdb,eliangidoni/rethinkdb,grandquista/rethinkdb,bchavez/rethinkdb,Qinusty/rethinkdb,grandquista/rethinkdb,yakovenkodenis/rethinkdb,niieani/rethinkdb,lenstr/rethinkdb,Wilbeibi/rethinkdb,rrampage/rethinkdb,spblightadv/rethinkdb,RubenKelevra/rethinkdb,mbroadst/rethinkdb,AtnNn/rethinkdb,scripni/rethinkdb,4talesa/rethinkdb,KSanthanam/rethinkdb,victorbriz/rethinkdb,gavioto/rethinkdb,gavioto/rethinkdb,alash3al/rethinkdb,AtnNn/rethinkdb,4talesa/rethinkdb,greyhwndz/rethinkdb,catroot/rethinkdb,mcanthony/rethinkdb,mquandalle/rethinkdb,sebadiaz/rethinkdb,AntouanK/rethinkdb,wujf/rethinkdb,urandu/rethinkdb,lenstr/rethinkdb,tempbottle/rethinkdb,lenstr/rethinkdb,yakovenkodenis/rethinkdb,lenstr/rethinkdb,sebadiaz/rethinkdb,sontek/rethinkdb,bpradipt/rethinkdb,AntouanK/rethinkdb,bpradipt/rethinkdb,matthaywardwebdesign/rethinkdb,JackieXie168/rethinkdb,spblightadv/rethinkdb,wkennington/rethinkdb,4talesa/rethinkdb,captainpete/rethinkdb,lenstr/rethinkdb,dparnell/rethinkdb,robertjpayne/rethinkdb,jfriedly/rethinkdb,marshall007/rethinkdb,victorbriz/rethinkdb,wojons/rethinkdb,catroot/rethinkdb,mquandalle/rethinkdb,bchavez/rethinkdb,mquandalle/rethinkdb,urandu/rethinkdb,alash3al/rethinkdb,gavioto/rethinkdb,jmptrader/rethinkdb,nviennot/rethinkdb,pap/rethinkdb,marshall007/rethinkdb,mquandalle/rethinkdb,gdi2290/rethinkdb,greyhwndz/rethinkdb,wkennington/rethinkdb,JackieXie168/rethinkdb,pap/rethinkdb,wujf/rethinkdb,alash3al/rethinkdb,rrampage/rethinkdb,yakovenkodenis/rethinkdb,mquandalle/rethinkdb,spblightadv/rethinkdb,robertjpayne/rethinkdb,ajose01/rethinkdb,rrampage/rethinkdb,eliangidoni/rethinkdb,scripni/rethinkdb,captainpete/rethinkdb,tempbottle/rethinkdb,captainpete/rethinkdb,KSanthanam/rethinkdb,AtnNn/rethinkdb,AtnNn/rethinkdb,nviennot/rethinkdb,sbusso/rethinkdb