Where did this document come from?

This document was created by Vinod Kurup, but it's really just plagiarism from a number of documents that came before it. If I've used something that you've written without proper credit, let me know and I'll fix it right away.

Versions 4.6.2 to present were edited by Joel Aufrecht.

These are a few of my sources:

Please also see the Credits section for more acknowledgements.