A function to replace the old constructor call where a list of the file's lines was passed in.

def from_lines(pdb_file_lines, strict = True, parse_ligands = False):
        '''A function to replace the old constructor call where a list of the file's lines was passed in.'''
        return PDB("\n".join(pdb_file_lines), strict = strict, parse_ligands = parse_ligands)