Add comment explaining use of configured_limits_t in datum adapters.
Add comment explaining use of configured_limits_t in datum adapters.

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