update parse_approx_order(), Field.from_conf() for IGField
update parse_approx_order(), Field.from_conf() for IGField

RexFuzzle/sfepy,rc/sfepy,sfepy/sfepy,lokik/sfepy,BubuLK/sfepy,RexFuzzle/sfepy,vlukes/sfepy,vlukes/sfepy,BubuLK/sfepy,rc/sfepy,BubuLK/sfepy,lokik/sfepy,rc/sfepy,lokik/sfepy,RexFuzzle/sfepy,sfepy/sfepy,sfepy/sfepy,vlukes/sfepy,RexFuzzle/sfepy,lokik/sfepy