Version 1.4.1
Version 1.4.1

 * Fixes in Image.postProcess
 * Updated lesson examples
 * Added fractal example
 * Call the onError callback if there are shader compiling/linking errors.

printedheart/philogl,shelsonjava/philogl,Drakesinger/philogl,shelsonjava/philogl,philogb/philogl,senchalabs/philogl,philogb/philogl,shelsonjava/philogl,senchalabs/philogl,printedheart/philogl,senchalabs/philogl,Drakesinger/philogl,Drakesinger/philogl,printedheart/philogl,shelsonjava/philogl,philogb/philogl