Update GQR
(#535)
Fix handling of max_extra_noise slightly to match correct formula derived in the paper.
(#535)
Fix bug in SBSersic real-space integration helper function (_trunc_sq not initialized)
(#535)
Increase accuracy of real-space drawing by lowering relerr to 1.e-4 and switching to GKPData10.
(#535)
Add unit test for different drawImage methods
(#535)