v0.2.1

• Use XCFun v2.0.2 (fixes spin-polarized VWN3)

v0.2.0

• Reintroduce OpenMP parallelization
• Fix compilation and linking problems
• Use XCFun v2.0.1
• Add stops for unsupported terms

v0.1.0

reference xcfun v2.0.0a1

changes have only been on the python-c++ interface side
which should not affect xcint