decr(Client, Key) -> client:ssend(Client, decr, [Key]).
decrby(Client, Key, By) -> client:ssend(Client, decrby, [Key, By]).
get(Client, Key) -> client:ssend(Client, get, [Key]).
decr(Client, Key) -> client:ssend(Client, decr, [Key]).
decrby(Client, Key, By) -> client:ssend(Client, decrby, [Key, By]).
get(Client, Key) -> client:ssend(Client, get, [Key]).