Fix read energy value inconsistency between read_vasp_out and read_vasp_xml
Fix read energy value inconsistency between read_vasp_out
and read_vasp_xml
. read_vasp_xml
was reading enthalpy instead of energy when PSTRESS keyword was present in INCAR. This was completely hidden and no warning was displayed. This pull request unifies the two approaches so both reader function output same value