This code is provided under the 3-clause BSD license below.
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Copyright (c) 2013, Matthew Graeber
All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

    Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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    The names of its contributors may not be used to endorse or promote products derived from this software without specific prior written permission.

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