fix Variables.state_to_output()
fix Variables.state_to_output()

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