compress: Add equality operators
compress: Add equality operators

scylladb/scylla,duarten/scylla,raphaelsc/scylla,kjniemi/scylla,scylladb/scylla,kjniemi/scylla,duarten/scylla,raphaelsc/scylla,duarten/scylla,scylladb/scylla,avikivity/scylla,raphaelsc/scylla,kjniemi/scylla,avikivity/scylla,scylladb/scylla,avikivity/scylla