Copyright (c) 2012, Eli Bendersky
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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 
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* Neither the name of Eli Bendersky nor the names of its contributors may 
  be used to endorse or promote products derived from this software without 
  specific prior written permission.

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