v3.5.0

• Chemical environment analysis package (David Waroquiers).
• Piezoelectric property analysis (Shayam).

v3.4.0

v3.4.0 release

Former-commit-id: 553e03504d23c984279e64cc9a84a6981e404d22 [formerly d623aeaab050e731a278d3032125ccab2d91d615]
Former-commit-id: 0bfca61ee77fedcb01ef5603b9d87d0e0c4f1fce

v3.3.6

• Update to use enum.x instead of multienum.x.
• Minor robustness fixes to VaspInputSet serialization.
• Add a reciprocal density parameter to vasp sets.
• Minor bug fixes to Vasprun parsing.

v3.3.5

• StructureMatcher can now work with ignored species.
• Added interpolation failure warnings and smooth tolerance for
  scipy.interpolate.splrep in bandstructures (Tess).
• Added DiffusionAnalyzer.get_framework_rms_plot.

v3.3.4

• Procar now supports parsing of phase factors.
• Miscellaneous bug fixes.

v3.3.2

• Bug fixes for pymatgen.io.abinit
• Other minor big fixes.

v3.3.1

• Minor bug fix release for pickle and elastic constants.

v3.3.0

• Updated and checked for Python 3.5.* compatibility.

v3.2.10

• Fix missing scripts
• Improvements to units module.
• Speed up EwaldSummation.

v3.2.9

• Major PD stability improvements, especially for very high dim hulls with lots
  of entries.
• Improvements to Ewald summation to be close to GULP implementation.
• Deprecate physical constants module in favor of scipy's version.
• Remove many pyhull references to use scipy's ConvexHull implementation.
• Bug fix for sulfide correction.