Implement the QThread like derived class behavior.
Replace old style signals.
GL: remove OrderedDict
GL addImage: add zOrder support
Default to the old thread method.
GL: signal MouseMoved
Replace old style signal.
Add Vertex Buffer Object class
Adapt scripts to new layout.
Add curve to GLBackend
Correct the path in the installation scripts.
code formatting
Separate Qt from GLBackend, add GLUT backend
Correct sps module import.
Update rc number.
fix VBO discard
GL: addCurve update
GL backend no hatch for zoom
Some Qt and/or PyQt version always need a QDoubleValidator parent.
Be self-consistent on repository layout.