atomistics 0.1.3

What's Changed

• Merge LAMMPS classes in one module by @jan-janssen in #64
• Fix when phonopy is not installed by @jan-janssen in #66
• energy volume curve - use axes = ("x", "y", "z") rather than axes = ["x", "y", "z"] by @jan-janssen in #63
• Use LAMMPS potentials provided by iprpy-data conda package by @jan-janssen in #68
• Refactor evcurve workflow by @jan-janssen in #70
• Implement get_potential_by_name() for quick lookup of LAMMPS potentials by @jan-janssen in #69

Full Changelog: atomistics-0.1.2...atomistics-0.1.3