ACKNOWLEDGEMENT
===============
HPPC-RT ("Realtime")
Copyright 2013-2017 Vincent Sonnier

HPPC-RT borrowed code, ideas or both from:

* HPPC, http://labs.carrotsearch.com/hppc.html, by Carrot Search s.c., Boznicza 11/57, 61-751 Poznan, Poland.
   (Apache license)
 * Apache Lucene, http://lucene.apache.org/
   (Apache license)
 * Fastutil, http://fastutil.di.unimi.it/
   (Apache license)
 * Koloboke, https://github.com/OpenHFT/Koloboke
   (Apache license)
 * Cliff Moon, https://github.com/moonpolysoft for a Robin Hood hashing pull request ( https://github.com/carrotsearch/hppc/pull/3 ) for HPPC. 
    (Apache license)
