added support for parsing hexadecimal atom serial and residue numbers to pdb parser
added support for parsing hexadecimal atom serial and residue numbers to pdb parser

fredludlow/ngl,arose/ngl,arose/ngl,j0kaso/ngl,j0kaso/ngl,arose/ngl,fredludlow/ngl,fredludlow/ngl,j0kaso/ngl,arose/ngl,fredludlow/ngl