Corectly convert alpha recived from imageColorForIndex to 1byte 0-255, 0 being transparent.
Recivied is a number between 0 and 127 where
127 is transparent.
Replace freeing of Image resource in destructor with a destroy method
This is to prevent confusion in the case one might retrive the
raw image resource, and the image is freed.
$image = new Image(100, 100);
$res = $image->asImageResource();
unset($image);
//$res should still be a good resource
fix #17
Implement Image->getFontCollection()
Fix x-y and width-height confusion
Add Point test case
Write tests for Image class
Move src files into new std/ directory
Fix case miss match in FontCollection::init()
Update README.md
Update README.md
Write tests for std\util\graphics\Font
Add tests for RunnableOnce, and create Runnable super class
Fixed BufferedWriter example in class summary

Fixed the BufferedWriter example in the PHPDoc class summary.
Fix "malformed" phpdoc
Rename JSON=>Json to be consistent with naming of classes.
Rename write(Writable) methods to writeTo to avoid confusion
Write methods should be reserved for writing "suff" to the instance
that the write method is beeing called at. While writeTo means writing
the contents of the instance into the writer passed to the writeTo method.
Add ->destroy() call in image example in class summary
Rename JSON.php to Json.php
Rename JSONException.php to JsonException.php
Use PHP typehinting instead of gettype in Json consturctor