More speedups of PrimCellTransformation.
PrimitiveCell now returns all fractional coordinates within unit cell.
Fix for choosing between two matched coords in tolerance
Removed unnecessary if statement
fixed mistake in slicing, added comments
Resolved issue slicing coordinate lists
Minor updates
Merge branch 'master' of github.com:materialsproject/pymatgen
Fix matgenie compare structure to work with new API for structure matcher.
Fixed bug in finding closest atom between two matched atoms, modified comments in test_file
Merge branch 'master' of github.com:materialsproject/pymatgen
Removed print statement
Additional unittest for structure matcher to group structures with multiple
formula.s
Improve documentation a little.
Update changelog. Update requests required version to 1.0 for the stable
version.
Fix bug in lattice.__ne__.
Minor code fixes.
Significant speedup of structure matcher.
Further simplifications of StructureMatcher code.
A completely revamped PrimitiveCellTransformation.