Add ZRANGESTORE command, and improve ZSTORE command to deprecated Z[REV]RANGE[BYSCORE|BYLEX].
Syntax for the new ZRANGESTORE command:
ZRANGESTORE [BYSCORE | BYLEX] [REV] [LIMIT offset count]
New syntax for ZRANGE:
ZRANGE [BYSCORE | BYLEX] [REV] [WITHSCORES] [LIMIT offset count]
Old syntax for ZRANGE:
ZRANGE [WITHSCORES]
Other ZRANGE commands remain unchanged.
The implementation uses common code for all of these, by utilizing a consumer interface that in one
command response to the client, and in the other command stores a zset key.
Co-authored-by: Oran Agra <oran@redislabs.com>
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