Imagick TODO

- Unit tests
- config.w32 (DONE)
- Comment all the php methods in imagick.c (DONE)
- Create documentation
- package.xml (DONE)
- Create build-test scripts
- Add more examples of the most common use cases
- Documentation
  + ImagickPixel::clone()
  + Imagick::mergeImageLayers()
  + Add information about conditional methods required ImageMagick versions
