fix dict_to_array() for non-array sequences
fix dict_to_array() for non-array sequences

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