replaced the "has" method by "in"
LibXC 2.0
add c6 references
Fix bug in libxc-2.0.1
First Symmetry steps
Symmetry.generate method
load CIF files into Horton
Symmetry.identify
Symmetry info can be checkpointed
horton.moments module
Symmetry analsysis for horton.part
horton-cpart.py --symmetry option
Symmetry analysis in horton-esp-fit.py
Reorganize SymmetryError
Complete docstrings for moments, symmetry and cif
Fix naming consistency for cartesian multipoles
Auxiliary routine to quickly evaluate cartesian polynomials
Optimize evaluation of polynomial in density function
Upper triangular loop optimization
Squeeze out a bit of extra performance