Maintains a set of query parameters, parsed from an HTTP request. Use HttpParams instead for output parameters.
Tango Dual License: 3-Clause BSD License / Academic Free License v3.0. See LICENSE_TANGO.txt for details.
Copyright (c) 2004 Kris Bell. Some parts copyright (c) 2009-2016 dunnhumby Germany GmbH. All rights reserved.
Initial release: April 2004