add test for cookie set/get/remove to help this guy https://github.com/kataras/iris/issues/270
add test for cookie set/get/remove to help this guy https://github.com/kataras/iris/issues/270

iris-framework/iris,kataras/iris,kataras/iris,kataras/gapi,iris-framework/iris,vvhh2002/iris,iris-framework/iris,kataras/iris,vvhh2002/iris,vvhh2002/iris,lucas-flis/iris,kataras/gapi,iris-framework/iris,kataras/iris,vvhh2002/iris