[libqr] Change constants.
[libqr] Add CMakeLists.txt and delte Makefiles.
[libqr] Update TODO.
[libqr] Change required CMake version from 2.8.8 to 2.6.0.
[libqr] Fix always false condigion.
[libqr] Drop GD support.
[libqr] Cleanup.
[php] Clanup.
[python] Cleanup.
[libqr] Correct an error message.
[libqr] Remove the unused error code.
Fix parameter validation.
Change to allow empty QR Code.
[pyqr] Rename QRCode.magnify to QRCode.scale
[pyqr] Add support for PIL
[pyqr] Update examples.
[pyqr] Fix output format detection in Python 3.x