Add #unsafely; make sure that #merge_safety_options doesn't swallow false values.
Add #unsafely; make sure that #merge_safety_options doesn't swallow false values.

DanielVartanov/mongoid,teaforthecat/mongoid,afeld/mongoid,lowang/mongoid,sporkd/mongoid,Spaceghost/mongoid,dustinwatson/mongoid,stellard/mongoid,trmmy/mongoid,matsimitsu/mongoid,robwil/mongoid,jstrocel/mongoid,kentaroi/mongoid,jamesalmond/mongoid,hxx/mongoid,aj0strow/mongoid,dnd/mongoid,alexandru-calinoiu/mongoid,jordoh/mongoid,jtescher/mongoid,Zhomart/mongoid,timgluz/mongoid,dblock/mongoid,flexoid/mongoid,eddanger/mongoid,shingara/mongoid,iGoDigital-LLC/mongoid,joshsoftware/mongoid,zaithottakath/mongoid,likealittle/mongoid,trmmy/mongoid,alexrothenberg/mongoid,ErisExchange/mongoid,xentek/mongoid,greggroth/mongoid,mgolovnia/mongoid,rafaelgaspar/mongoid,blackxored/mongoid,hxx/mongoid,parov/mongoid,etomic/mongoid,simi/mongoid,rmm5t/mongoid,Welovroi/mongoid,X0nic/mongoid,asantamar/mongoid,incorvia/mongoid,brynary/mongoid,charliehq/mongoid,sujal/mongoid,mattconnolly/mongoid,PerfectMemory/mongoid,gullitmiranda/mongoid,ElvinEfendi/mongoid,alex-klepa/mongoid,sideci-sample/sideci-sample-mongoid,DouweM/mongoid,etomic/mongoid,kevinmarvin/mongoid,irakli-janiashvili/mongoid,jeyb/mongoid,colinyoung/mongoid,brynary/mongoid,gicappa/mongoid,mattconnolly/mongoid,evendis/mongoid,blt04/mongoid,KoanHealth/mongoid,CIRCUITLLC/mongoid,anuprit/mongoid,dbkbali/mongoid,canvas-drw/mongoid,jasl/mongoid,jordelver/mongoid,hadees/mongoid,stevebartholomew/mongoid,cmpolis/mongoid,jbrien/mongoid,colinyoung/mongoid,genexp/mongoid,elia/mongoid,mschulkind/mongoid,crowdtap/mongoid,goshakkk/mongoid,ryanong/mongoid,bdmac/mongoid,maxd/mongoid,akm/mongoid,77Agency/mongoid,robotmay/mongoid,hadees/mongoid,stnguyen/mongoid,getaroom/mongoid,priyaaank/mongoid,ryanong/mongoid,Houdini/mongoid,blackxored/mongoid,icambron/mongoid,kay-kim/mongoid,kay-kim/mongoid,fortnightlabs/mongoid,crowdtap/mongoid,bencrouse/mongoid,Codas/mongoid,lawrencecurtis/mongoid,johnnyshields/mongoid,zBMNForks/mongoid,mschulkind/mongoid,rymai/mongoid,sideci-sample/sideci-sample-mongoid,estolfo/mongoid,johnny-miyake/mongoid,stevebartholomew/mongoid,Zhomart/mongoid,absperf/mongoid,Shop2market/mongoid,stellard/mongoid,bigbenli/mongoid,apptentive-engineering/mongoid,joneslee85/mongoid,ElvinEfendi/mongoid,sivagollapalli/mongoid,kostyantyn/mongoid,afeld/mongoid,grossws/mongoid,jonhyman/mongoid,asaaki/mongoid,mongodb/mongoid,mitijain123/mongoid,mysociety/mongoid,nullstyle/mongoid,akm/mongoid,abezzub/mongoid,hfwang/mongoid,Azzurrio/mongoid,wyattisimo/mongoid,kcdragon/mongoid,mongoid/mongoid,dsachitano/mongoid,Spaceghost/mongoid,rogerz42892/mongoid,niedhui/mongoid,Empact/mongoid,cmpolis/mongoid,arnkorty/mongoid,Subskii/mongoid,tagliala/mongoid,aagrawal2001/mongoid,hbakhtiyor/mongoid,praecipula/mongoid,hashrocketeer/mongoid,kevinmarvin/mongoid,eljojo/mongoid,bencrouse/mongoid,ErisExchange/mongoid,jtescher/mongoid,robwil/mongoid,aj0strow/mongoid,lackac/mongoid,byroot/mongoid,sivagollapalli/mongoid,amw/mongoid,canavese/mongoid,spiegela/mongoid,joneslee85/mongoid,zenjoy/mongoid,fbernier/mongoid,X0nic/mongoid,jeyb/mongoid,mongodb/mongoid,Numerico/mongoid,bdmac/mongoid,jonhyman/mongoid,mongodb/mongoid,loginx/mongoid,tagliala/mongoid,uniiverse/mongoid,shotoso/mongoid,joelcogen/mongoid,imomoisoft/mongoid,leozhang37/mongoid,zaithottakath/mongoid,estolfo/mongoid,crealytics/mongoid,asaaki/mongoid,astjohn/mongoid,rebelhold/mongoid,hubertlepicki/mongoid,nusco/mongoid,DanielVartanov/mongoid,drobune/mongoid,voldy/mongoid,nicolasblanco/mongoid,bearded/mongoid,cao7113/mongoid,Sharevari-Inc/mongoid,Welovroi/mongoid,mitio/mongoid,gullitmiranda/mongoid,joshleitzel/mongoid,ahoward/mongoid,socialreferral/mongoid,Exoth/mongoid,lowang/mongoid,krasnoukhov/mongoid,koraktor/mongoid,ono/mongoid,Flameeyes/mongoid,77Agency/mongoid,tombruijn/mongoid,HeeL/mongoid-1,jasl/mongoid,cpuguy83/mongoid,janroesner/mongoid,akirasosa/mongoid,voldy/mongoid,shingara/mongoid,flada-auxv/mongoid,HeeL/mongoid-1,amw/mongoid,razum2um/mongoid,tricknotes/mongoid,matadon/mongoid,cleishm/mongoid,irakli-janiashvili/mongoid,kayakyakr/mongoid,anuprit/mongoid,dannguyen/mongoid,johnny-miyake/mongoid,wuboy0307/mongoid,rosylilly/mongoid,asantamar/mongoid,codedogfish/mongoid,lawrencecurtis/mongoid,Speakol/mongoid,glebtv/mongoid,PerfectMemory/mongoid,bjori/mongoid,moretea/mongoid,luxerama/mongoid,cpuguy83/mongoid,captain-lucas/mongoid,lucasas/mongoid,javmorin/mongoid,tolsen/mongoid,bjori/mongoid,grimen/mongoid,jonasschneider/mongoid,mgartner/mongoid,xentek/mongoid,rpocklin/mongoid,joshleitzel/mongoid,iboard/mongoid-1,aleksclark/mongoid,MadRabbit/mongoid,neerfri/mongoid,gregmolnar/mongoid,tombruijn/mongoid,nullstyle/mongoid,mash-ltd/mongoid,mathieuravaux/mongoid,javmorin/mongoid,herimedia/mongoid,chetan/mongoid,msaffitz/mongoid,alexandru-calinoiu/mongoid,kuadrosx/mongoid,capnregex/mongoid,maxd/mongoid,mathieuravaux/mongoid,fbernier/mongoid,rafaelgaspar/mongoid,manikandan-kandasamy/mongoid,matsimitsu/mongoid,mzsanford/mongoid,razum2um/mongoid,mzsanford/mongoid,nviennot/mongoid,ahoward/mongoid,msaffitz/mongoid,uniiverse/mongoid,moretea/mongoid,haihappen/mongoid,Aupajo/mongoid-1,flexoid/mongoid,cleishm/mongoid,ganlron/mongoid,captain-lucas/mongoid,Speakol/mongoid,johnnyshields/mongoid,aagrawal2001/mongoid,dbkbali/mongoid,aileron/mongoid,rinmu/mongoid,mysociety/mongoid,crealytics/mongoid,zBMNForks/mongoid,CIRCUITLLC/mongoid,glebtv/mongoid,itbakery/mongoid,leemhenson/mongoid,jetheredge/mongoid,sporkd/mongoid,niedhui/mongoid,infiverve/mongoid,cjab/mongoid,SumeruSoftware/mongoid,iamnader/mongoid-2,kslazarev/mongoid,spiegela/mongoid,itbakery/mongoid,rinmu/mongoid,demarque/mongoid,kentaroi/mongoid,imomoisoft/mongoid,kayakyakr/mongoid,tzar/mongoid,manuelmorales/mongoid,eljojo/mongoid,gicappa/mongoid,codedogfish/mongoid,jiren/mongoid,Winslett/mongoid,janroesner/mongoid,camallen/mongoid,kuadrosx/mongoid,mitijain123/mongoid,fujimura/mongoid,lackac/mongoid,demarque/mongoid,evendis/mongoid,dsachitano/mongoid,narutosanjiv/mongoid,aileron/mongoid,drfeelngood/mongoid,joshsoftware/mongoid,karmakaze/mongoid,hubertlepicki/mongoid,gregmolnar/mongoid,zanker/mongoid,rmm5t/mongoid,stnguyen/mongoid,piotrj/mongoid,rpocklin/mongoid,herimedia/mongoid,timgluz/mongoid,evansagge/mongoid,tzar/mongoid,tricknotes/mongoid,slbug/mongoid,HRNewMedia/mongoid,icambron/mongoid,KoanHealth/mongoid,elia/mongoid,i0rek/mongoid,brettgoulder/mongoid-1,mash-ltd/mongoid,sepastian/mongoid,hashrocketeer/mongoid,joelcogen/mongoid,manikandan-kandasamy/mongoid,eddanger/mongoid,narutosanjiv/mongoid,dannguyen/mongoid,potatosalad/mongoid,mikerobe/mongoid,charliehq/mongoid,kslazarev/mongoid,simi/mongoid,brettgoulder/mongoid-1,Tickaroo/mongoid2,hfwang/mongoid,Subskii/mongoid,canvas-drw/mongoid,rosylilly/mongoid,kcdragon/mongoid,dustinwatson/mongoid,kostyantyn/mongoid,bigbenli/mongoid,jstrocel/mongoid,evansagge/mongoid,slbug/mongoid,Azzurrio/mongoid,akirasosa/mongoid,nfo/mongoid,aleksclark/mongoid,albus522/mongoid,alexrothenberg/mongoid,incorvia/mongoid,fortnightlabs/mongoid,rogerz42892/mongoid,apptentive-engineering/mongoid,teaforthecat/mongoid,zenjoy/mongoid,jasonsydes/mongoid,Exoth/mongoid,SumeruSoftware/mongoid,marcweil/mongoid,bobbytables/mongoid,arnkorty/mongoid,marcweil/mongoid,potatosalad/mongoid,mgartner/mongoid,hbakhtiyor/mongoid,lucasas/mongoid,nusco/mongoid,haihappen/mongoid,cao7113/mongoid,balauru/mongoid,fredjean/mongoid,flada-auxv/mongoid,jamesalmond/mongoid,skiz/mongoid,nviennot/mongoid,skiz/mongoid,nagachika/mongoid,rubrikkfabrikken/mongoid,subhashb/mongoid,Numerico/mongoid,ganlron/mongoid,romanbsd/mongoid,nagachika/mongoid,matbox/mongoid,matbox/mongoid,greggroth/mongoid,uranazo/mongoid,schnittchen/mongoid,shotoso/mongoid,socialreferral/mongoid,tolsen/mongoid,dakatsuka/mongoid,fredjean/mongoid,wyattisimo/mongoid,500px/mongoid,mongoid/mongoid,franc/mongoid,Codas/mongoid,grossws/mongoid,krasnoukhov/mongoid,infiverve/mongoid,Sharevari-Inc/mongoid,tengine/mongoid,praecipula/mongoid,jbrien/mongoid,zanker/mongoid,jordelver/mongoid,Winslett/mongoid,theirishpenguin/mongoid,robinst/mongoid,genexp/mongoid,uranazo/mongoid,franc/mongoid,manuelmorales/mongoid,karmakaze/mongoid,drfeelngood/mongoid,wuboy0307/mongoid,bearded/mongoid,iGoDigital-LLC/mongoid,chetan/mongoid,canavese/mongoid,mikerobe/mongoid,500px/mongoid,dnd/mongoid,balauru/mongoid,snapfish-soma/mongoid,subhashb/mongoid,env0der/mongoid,goshakkk/mongoid,luxerama/mongoid,jordoh/mongoid,bobbytables/mongoid,skyeagle/mongoid,semaperepelitsa/mongoid,drobune/mongoid,camallen/mongoid,parov/mongoid,rubrikkfabrikken/mongoid,neerfri/mongoid,abezzub/mongoid,sepastian/mongoid,nfo/mongoid