Copyright (c) 2012, Simon Marlow

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.

    * Redistributions in binary form must reproduce the above
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      disclaimer in the documentation and/or other materials provided
      with the distribution.

    * Neither the name of Simon Marlow nor the names of other
      contributors may be used to endorse or promote products derived
      from this software without specific prior written permission.

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