CCBC-542: Set appropriate min/max size for pillowfight

We were previously reading from uninitialized memory. This fixes it

Change-Id: I7101ad293764612c7ffe51978d9eb1386c2af108
Reviewed-on: http://review.couchbase.org/42908
Reviewed-by: Sergey Avseyev <sergey.avseyev@gmail.com>
Tested-by: Mark Nunberg <mnunberg@haskalah.org>