System superclass check can be done prior to instantiating
System superclass check can be done prior to instantiating

This also fixes a 1.8.7 incompatibility.

gitebra/vagrant,gajdaw/vagrant,loren-osborn/vagrant,msabramo/vagrant,philwrenn/vagrant,senglin/vagrant,invernizzi-at-google/vagrant,philwrenn/vagrant,mitchellh/vagrant,jmanero/vagrant,bmhatfield/vagrant,jberends/vagrant,wangfakang/vagrant,aaam/vagrant,signed8bit/vagrant,tbarrongh/vagrant,MiLk/vagrant,gpkfr/vagrant,rivy/vagrant,aneeshusa/vagrant,Ninir/vagrant,jberends/vagrant,theist/vagrant,crashlytics/vagrant,jmanero/vagrant,Ninir/vagrant,muhanadra/vagrant,myrjola/vagrant,stephancom/vagrant,tomfanning/vagrant,mwarren/vagrant,mkuzmin/vagrant,petems/vagrant,philoserf/vagrant,wkolean/vagrant,ianmiell/vagrant,tbriggs-curse/vagrant,PatOShea/vagrant,patrys/vagrant,taliesins/vagrant,msabramo/vagrant,miguel250/vagrant,sideci-sample/sideci-sample-vagrant,jhoblitt/vagrant,legal90/vagrant,mpoeter/vagrant,jtopper/vagrant,BlakeMesdag/vagrant,philoserf/vagrant,lukebakken/vagrant,dharmab/vagrant,jfchevrette/vagrant,sax/vagrant,johntron/vagrant,ArloL/vagrant,jhoblitt/vagrant,shtouff/vagrant,kalabiyau/vagrant,genome21/vagrant,gpkfr/vagrant,dustymabe/vagrant,sferik/vagrant,jkburges/vagrant,mwrock/vagrant,ferventcoder/vagrant,tknerr/vagrant,kamigerami/vagrant,dhoer/vagrant,carlosefr/vagrant,darkn3rd/vagrant,jhoblitt/vagrant,ArloL/vagrant,kalabiyau/vagrant,muhanadra/vagrant,vamegh/vagrant,tjanez/vagrant,tbriggs-curse/vagrant,gpkfr/vagrant,otagi/vagrant,muhanadra/vagrant,shtouff/vagrant,Chhunlong/vagrant,janek-warchol/vagrant,loren-osborn/vagrant,signed8bit/vagrant,mwarren/vagrant,h4ck3rm1k3/vagrant,gbarberi/vagrant,Sgoettschkes/vagrant,jberends/vagrant,miguel250/vagrant,theist/vagrant,bheuvel/vagrant,mkuzmin/vagrant,krig/vagrant,apertoso/vagrant,legal90/vagrant,kalabiyau/vagrant,aneeshusa/vagrant,PatrickLang/vagrant,jmanero/vagrant,apertoso/vagrant,cgvarela/vagrant,zsjohny/vagrant,carlosefr/vagrant,philoserf/vagrant,msabramo/vagrant,aneeshusa/vagrant,channui/vagrant,jkburges/vagrant,darkn3rd/vagrant,denisbr/vagrant,aaam/vagrant,dharmab/vagrant,apertoso/vagrant,Avira/vagrant,doy/vagrant,justincampbell/vagrant,mwarren/vagrant,tjanez/vagrant,cgvarela/vagrant,gbarberi/vagrant,teotihuacanada/vagrant,Chhunlong/vagrant,patrys/vagrant,PatrickLang/vagrant,carlosefr/vagrant,gajdaw/vagrant,chrisvire/vagrant,wangfakang/vagrant,denisbr/vagrant,teotihuacanada/vagrant,benizi/vagrant,denisbr/vagrant,bheuvel/vagrant,patrys/vagrant,rivy/vagrant,modulexcite/vagrant,dustymabe/vagrant,doy/vagrant,Endika/vagrant,bheuvel/vagrant,doy/vagrant,gbarberi/vagrant,jfchevrette/vagrant,Sgoettschkes/vagrant,juiceinc/vagrant,MiLk/vagrant,mwrock/vagrant,tjanez/vagrant,jkburges/vagrant,glensc/vagrant,gbarberi/vagrant,tschortsch/vagrant,bdwyertech/vagrant,genome21/vagrant,jean/vagrant,darkn3rd/vagrant,krig/vagrant,jhoblitt/vagrant,Endika/vagrant,Ninir/vagrant,mkuzmin/vagrant,janek-warchol/vagrant,juiceinc/vagrant,clinstid/vagrant,vamegh/vagrant,dhoer/vagrant,tomfanning/vagrant,nickryand/vagrant,doy/vagrant,sax/vagrant,mephaust/vagrant,benh57/vagrant,ianmiell/vagrant,lukebakken/vagrant,modulexcite/vagrant,senglin/vagrant,taliesins/vagrant,jtopper/vagrant,teotihuacanada/vagrant,marxarelli/vagrant,stephancom/vagrant,lonniev/vagrant,genome21/vagrant,taliesins/vagrant,invernizzi-at-google/vagrant,webcoyote/vagrant,sax/vagrant,ianmiell/vagrant,samphippen/vagrant,tschortsch/vagrant,gpkfr/vagrant,sni/vagrant,chrisvire/vagrant,gajdaw/vagrant,Sgoettschkes/vagrant,justincampbell/vagrant,mkuzmin/vagrant,lonniev/vagrant,marxarelli/vagrant,mpoeter/vagrant,myrjola/vagrant,fnewberg/vagrant,jean/vagrant,sni/vagrant,Chhunlong/vagrant,zsjohny/vagrant,channui/vagrant,sideci-sample/sideci-sample-vagrant,TheBigBear/vagrant,kamigerami/vagrant,benh57/vagrant,obnoxxx/vagrant,Chhed13/vagrant,samphippen/vagrant,carlosefr/vagrant,rivy/vagrant,myrjola/vagrant,shtouff/vagrant,loren-osborn/vagrant,ArloL/vagrant,mitchellh/vagrant,dustymabe/vagrant,TheBigBear/vagrant,mwrock/vagrant,ArloL/vagrant,iNecas/vagrant,nickryand/vagrant,philwrenn/vagrant,bryson/vagrant,zsjohny/vagrant,bmhatfield/vagrant,signed8bit/vagrant,TheBigBear/vagrant,marxarelli/vagrant,mwarren/vagrant,krig/vagrant,clinstid/vagrant,PatrickLang/vagrant,justincampbell/vagrant,bshurts/vagrant,iNecas/vagrant,marxarelli/vagrant,webcoyote/vagrant,Endika/vagrant,chrisroberts/vagrant,jberends/vagrant,tbarrongh/vagrant,teotihuacanada/vagrant,bryson/vagrant,tbriggs-curse/vagrant,ferventcoder/vagrant,fnewberg/vagrant,obnoxxx/vagrant,nickryand/vagrant,johntron/vagrant,sideci-sample/sideci-sample-vagrant,jfchevrette/vagrant,benizi/vagrant,otagi/vagrant,evverx/vagrant,nickryand/vagrant,lukebakken/vagrant,pwnall/vagrant,bheuvel/vagrant,otagi/vagrant,cgvarela/vagrant,bshurts/vagrant,zsjohny/vagrant,kamazee/vagrant,apertoso/vagrant,jkburges/vagrant,legal90/vagrant,rivy/vagrant,aneeshusa/vagrant,simonsd/vagrant,h4ck3rm1k3/vagrant,tknerr/vagrant,mwrock/vagrant,iNecas/vagrant,bdwyertech/vagrant,tschortsch/vagrant,muhanadra/vagrant,cgvarela/vagrant,sax/vagrant,tjanez/vagrant,juiceinc/vagrant,kamigerami/vagrant,chrisroberts/vagrant,gitebra/vagrant,p0deje/vagrant,dhoer/vagrant,bshurts/vagrant,bryson/vagrant,legal90/vagrant,janek-warchol/vagrant,mpoeter/vagrant,jtopper/vagrant,PatOShea/vagrant,patrys/vagrant,tbarrongh/vagrant,gitebra/vagrant,h4ck3rm1k3/vagrant,chrisvire/vagrant,jtopper/vagrant,petems/vagrant,webcoyote/vagrant,blueyed/vagrant,sni/vagrant,kalabiyau/vagrant,johntron/vagrant,stephancom/vagrant,invernizzi-at-google/vagrant,PatrickLang/vagrant,darkn3rd/vagrant,lukebakken/vagrant,Avira/vagrant,vamegh/vagrant,denisbr/vagrant,wkolean/vagrant,bdwyertech/vagrant,janek-warchol/vagrant,theist/vagrant,wkolean/vagrant,obnoxxx/vagrant,wangfakang/vagrant,otagi/vagrant,tknerr/vagrant,Chhed13/vagrant,mephaust/vagrant,sni/vagrant,benh57/vagrant,miguel250/vagrant,Chhed13/vagrant,dhoer/vagrant,blueyed/vagrant,jmanero/vagrant,lonniev/vagrant,dharmab/vagrant,kamazee/vagrant,pwnall/vagrant,bdwyertech/vagrant,PatOShea/vagrant,mephaust/vagrant,tschortsch/vagrant,krig/vagrant,crashlytics/vagrant,p0deje/vagrant,PatOShea/vagrant,chrisroberts/vagrant,h4ck3rm1k3/vagrant,kamazee/vagrant,myrjola/vagrant,benizi/vagrant,samphippen/vagrant,lonniev/vagrant,bryson/vagrant,pwnall/vagrant,msabramo/vagrant,taliesins/vagrant,dharmab/vagrant,mitchellh/vagrant,aaam/vagrant,Chhed13/vagrant,tbarrongh/vagrant,senglin/vagrant,BlakeMesdag/vagrant,pwnall/vagrant,channui/vagrant,glensc/vagrant,senglin/vagrant,jean/vagrant,modulexcite/vagrant,wkolean/vagrant,crashlytics/vagrant,BlakeMesdag/vagrant,samphippen/vagrant,theist/vagrant,Avira/vagrant,bmhatfield/vagrant,invernizzi-at-google/vagrant,philoserf/vagrant,genome21/vagrant,vamegh/vagrant,mephaust/vagrant,mitchellh/vagrant,Chhunlong/vagrant,benizi/vagrant,fnewberg/vagrant,jfchevrette/vagrant,modulexcite/vagrant,crashlytics/vagrant,philwrenn/vagrant,petems/vagrant,mpoeter/vagrant,jean/vagrant,tbriggs-curse/vagrant,Endika/vagrant,sferik/vagrant,loren-osborn/vagrant,webcoyote/vagrant,blueyed/vagrant,p0deje/vagrant,dustymabe/vagrant,Avira/vagrant,tomfanning/vagrant,wangfakang/vagrant,chrisroberts/vagrant,evverx/vagrant,ferventcoder/vagrant,gitebra/vagrant,TheBigBear/vagrant,benh57/vagrant,fnewberg/vagrant,brianloveswords/vagrant,stephancom/vagrant,chrisvire/vagrant,ianmiell/vagrant,signed8bit/vagrant,sferik/vagrant,clinstid/vagrant,MiLk/vagrant,kamigerami/vagrant,johntron/vagrant,bshurts/vagrant,shtouff/vagrant,petems/vagrant,ferventcoder/vagrant,tknerr/vagrant,Sgoettschkes/vagrant,evverx/vagrant,blueyed/vagrant,kamazee/vagrant,tomfanning/vagrant,juiceinc/vagrant,aaam/vagrant,miguel250/vagrant,justincampbell/vagrant