Add 'is native(&find-lib)'
Add 'is native(&find-lib)'

This gives us a way to find a native library at runtime, since find-lib
won't be called until the native function is used for the first time.

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