Added Makefile, closes #8. Added automatic dependency generation, closes #14. Added unit tests, closes #7. Added config file, closes #18. Make fixed-point functions optional via pre-compiler macros, closes #17. Removed unneccessary includes from code files, closes #11. Converted functions into methods of new class 'Transformer', closes #9. Moved function descriptions to .hpp file, closes #6. Header guard comment fixed, closes #5. Removed _ prefix from header guards, closes #4.