Fix optional array/hash params.
Fix optional array/hash params.

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