Added tests for `.between.distinct`.
Added tests for `.between.distinct`.

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