Based upon Doug Lea's Java collection package
Clinks are links that are always arranged in circular lists.
See Source File
Tango Dual License: 3-Clause BSD License / Academic Free License v3.0. See LICENSE_TANGO.txt for details.
Copyright (c) 2008 Kris Bell. Some parts copyright (c) 2009-2016 dunnhumby Germany GmbH. All rights reserved.
Apr 2008: Initial release
Kris
Based upon Doug Lea's Java collection package