===== - std error bug fix - renaming of some functions
0.2.2
----- - minor fixes
0.2.1
----- - added plotting functionality for bar plot and scatter plot - updated driver script to work with API changes form 0.2.0 release
0.2.0
===== - Added preformatting functionality for free energies from the perturbation graph - Set standardised file writing and std out printing of free energies