Qbar in incompressible fung via invariants
Add orthotropic structure tensor to el
Generalize tensor product in lin
Add routine to extract ortho projectors from structure tensor
Clean up Qbar in fung_i_i
Fix return value in std_orth_P
Add numpy import *facepalm*
Update docstrings, write Sbar in fung_i_i
More pythonic check for null precomputed args
Oops, forgot to sum L_Part in Sbar
Revert to specialized anticommutator; dot is messed up
Vectorize kronecker and cokronecker in lin
Implement Cbar
Incorporated more precomputed vars, add C skeleton
More aggressive precomputing in Cbar, remove C skeleton
Add full tangent stiffness function
Fix tensordots for EEA and EA
Cleanup and typo fix
Return numpy array in orth_proj
Fix precomputation of Sbar