support RAKUDOLIB env variable in addition to PERL6LIB
support RAKUDOLIB env variable in addition to PERL6LIB

fglock++ asked how sharing of PERL6LIB works between compilers in the presence of compiler-specific modules. I believe this should be part of the answer

cognominal/rakudo,b2gills/rakudo,usev6/rakudo,sergot/rakudo,lucasbuchala/rakudo,cognominal/rakudo,lucasbuchala/rakudo,laben/rakudo,Gnouc/rakudo,ugexe/rakudo,paultcochrane/rakudo,cygx/rakudo,dankogai/rakudo,dankogai/rakudo,sjn/rakudo,cygx/rakudo,dankogai/rakudo,b2gills/rakudo,salortiz/rakudo,MasterDuke17/rakudo,salortiz/rakudo,pmurias/rakudo,b2gills/rakudo,nbrown/rakudo,tony-o/rakudo,dwarring/rakudo,rjbs/rakudo,niner/rakudo,MasterDuke17/rakudo,LLFourn/rakudo,skids/rakudo,ungrim97/rakudo,softmoth/rakudo,usev6/rakudo,raydiak/rakudo,tony-o/rakudo,LLFourn/rakudo,nunorc/rakudo,laben/rakudo,tony-o/deb-rakudodaily,ugexe/rakudo,dwarring/rakudo,jonathanstowe/rakudo,cognominal/rakudo,tbrowder/rakudo,ungrim97/rakudo,sjn/rakudo,zostay/rakudo,retupmoca/rakudo,salortiz/rakudo,dankogai/rakudo,samcv/rakudo,paultcochrane/rakudo,jonathanstowe/rakudo,labster/rakudo,pmurias/rakudo,MasterDuke17/rakudo,tony-o/deb-rakudodaily,pmurias/rakudo,ugexe/rakudo,salortiz/rakudo,usev6/rakudo,azawawi/rakudo,niner/rakudo,softmoth/rakudo,salortiz/rakudo,rakudo/rakudo,MasterDuke17/rakudo,softmoth/rakudo,tbrowder/rakudo,niner/rakudo,retupmoca/rakudo,tony-o/deb-rakudodaily,usev6/rakudo,ungrim97/rakudo,tony-o/deb-rakudodaily,ab5tract/rakudo,tony-o/deb-rakudodaily,dwarring/rakudo,paultcochrane/rakudo,zhuomingliang/rakudo,cygx/rakudo,MasterDuke17/rakudo,tony-o/rakudo,teodozjan/rakudo,tony-o/rakudo,samcv/rakudo,ab5tract/rakudo,nbrown/rakudo,cygx/rakudo,ab5tract/rakudo,raydiak/rakudo,skids/rakudo,azawawi/rakudo,salortiz/rakudo,rakudo/rakudo,jonathanstowe/rakudo,ab5tract/rakudo,Leont/rakudo,rakudo/rakudo,ab5tract/rakudo,awwaiid/rakudo,pmurias/rakudo,awwaiid/rakudo,usev6/rakudo,skids/rakudo,sergot/rakudo,rakudo/rakudo,teodozjan/rakudo,ungrim97/rakudo,zhuomingliang/rakudo,ugexe/rakudo,awwaiid/rakudo,raydiak/rakudo,ugexe/rakudo,rakudo/rakudo,teodozjan/rakudo,tony-o/rakudo,LLFourn/rakudo,b2gills/rakudo,jonathanstowe/rakudo,softmoth/rakudo,MasterDuke17/rakudo,azawawi/rakudo,labster/rakudo,Gnouc/rakudo,LLFourn/rakudo,laben/rakudo,cygx/rakudo,b2gills/rakudo,awwaiid/rakudo,Gnouc/rakudo,teodozjan/rakudo,raydiak/rakudo,tony-o/deb-rakudodaily,ungrim97/rakudo,nunorc/rakudo,jonathanstowe/rakudo,Gnouc/rakudo,Leont/rakudo,tbrowder/rakudo,samcv/rakudo,zhuomingliang/rakudo,azawawi/rakudo,zhuomingliang/rakudo,Leont/rakudo,nunorc/rakudo,awwaiid/rakudo,sjn/rakudo,dwarring/rakudo,sergot/rakudo,lucasbuchala/rakudo,cognominal/rakudo,skids/rakudo,zostay/rakudo,dankogai/rakudo,rjbs/rakudo,tony-o/rakudo,rjbs/rakudo,LLFourn/rakudo,labster/rakudo,nbrown/rakudo,laben/rakudo,azawawi/rakudo,sjn/rakudo,retupmoca/rakudo,samcv/rakudo,samcv/rakudo,cognominal/rakudo,softmoth/rakudo,zostay/rakudo,rakudo/rakudo,Gnouc/rakudo,tony-o/deb-rakudodaily,Leont/rakudo,paultcochrane/rakudo,nbrown/rakudo,niner/rakudo,nbrown/rakudo,tbrowder/rakudo,nbrown/rakudo,skids/rakudo,zostay/rakudo,labster/rakudo,labster/rakudo,tbrowder/rakudo,sergot/rakudo,tbrowder/rakudo,retupmoca/rakudo,lucasbuchala/rakudo,paultcochrane/rakudo,lucasbuchala/rakudo,Gnouc/rakudo,sjn/rakudo,labster/rakudo,nunorc/rakudo