no need to load _parse_pot in try/except
find_library never works so remove it
find_library never works so remove it
new way of loading actionAngleStaeckel_c and more helpful error message, #170
better error message when interppotential_c extension is not properly loaded, fixes #170
a potential test of MovingObjectPotential
test of orbit integration with MovingObjectPotential
add movingObjectPotential w/ explicit softening object test
add docs on MovingObjectPotential
proper class hierarchy
test higher potential derivatives for MovingObjectPotential
a test of the density of MovingObjectPotential
rm AttributeError again
store orbit part of dxdv integration in orbit, #23
put in stub for leapfrog dxdv integration
add option to provide dxdv integration input in rectangular coordinates (working toward #174)
FlattenedPowerPotential hasC
add integrate_dxdv and getOrbit_dxdv at the top level, #23
different way of implementing dR and dphi in evaluate
fix planarAxi phi2 and Rphideriv implementations