Implement Cool.contains
Implement Cool.contains

This was discussed many times in the past weeks.  I tought I'd bite the
bullet.

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