Modified the python version of the vector change of basis to use numpy rather than scipy.
Modified the python version of the vector change of basis to use numpy rather than scipy.

jjo31/ATHAM-Fluidity,iakovos-panourgias/fluidity,jrper/fluidity,iakovos-panourgias/fluidity,jrper/fluidity,rjferrier/fluidity,jrper/fluidity,jrper/fluidity,iakovos-panourgias/fluidity,iakovos-panourgias/fluidity,jrper/fluidity,jjo31/ATHAM-Fluidity,jjo31/ATHAM-Fluidity,rjferrier/fluidity,jjo31/ATHAM-Fluidity,jjo31/ATHAM-Fluidity,rjferrier/fluidity,rjferrier/fluidity,rjferrier/fluidity,iakovos-panourgias/fluidity