delete trailing whitespace
new calibration data with radial distortions from ROS/OpenCV
add a unittest
update docs
python: run from source dir if it exists
bugfix: add CalTechCal to path (fixes goradf not found)
bugfix: python: don't fail silently
bugfix: python: work on old files
python tests: add more data
testing: python: allow test data dirnames to be importable
fix seg fault in Octave
fail early and explicitly
fix weird Octave failures
docs: add information about how to run python tests
add a Pure-python implementation of estsimt