Add functionality to Procar class (VASP output) because xml file is hard to read if it is too large.
Merge branch 'master' of https://github.com/materialsproject/pymatgen
Add a reciprocal_lattice_crystallographic property to Lattice.
Working prototype of XRD calculator that works with anythbing with elements
1-98.
Support a lot more wavelengths in XRD.
Major cleanup + doc.
More doc improvements.
Add option for structure refinement first.
Decrease angular tolerance.
Cleanup.
Eliminate very low intensity peaks.
Simplify format of XRD data.
10x speed up of XRD calculation using numpy vectorization.
Anchor Pycifrw to v3.5 in requirements.
Update dev docs
v2.9.8 release.
Update docs.
Fix requirements again.
More minor speedups.
Lots more comments and cleanup.