v0.1.?, 2020-05-14 -- Can pass empty dict as {shift,do}_interventions parameter and will have the same effect as not passing anything or passing None
v0.1.3, 2020-09-28 -- Fixed issues 1,2,3. Arrows now appear when plotting acyclic graphs.
v0.1.2, 2020-04-24 -- Updated READMEs, specified networkx dependency to be above 2.2
v0.1.1, 2020-04-24 -- Added missing dependencies to setup.py
v0.1.0, 2020-04-24 -- Initial release.
