This code is released under a MIT/BSD-like license:
This software is provided 'as-is', without any express or implied warranty. In no event will the author be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose, and to alter it and redistribute it freely, subject to the following restrictions:
(*) The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software, an acknowledgement is requested but not required.
(*) Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. Altered source is encouraged to be submitted back to the original author so it can be shared with the community. Please share your changes.
(*) This notice may not be removed or altered from any source distribution.