xrange make count optional

[SevereOverfl0w]

Expected behavior

Able to skip the count parameter to xrange, or otherwise pass it null. I think this was raised initially on the introducing PR.

Actual behavior

No such argument

Steps to reproduce:

Call xrange()

Redis / Jedis Configuration

JedisPool

Jedis version: 3.3.0

Redis version: 6.0.1

Java version: 11.0.9