bumped version number to 0.4
bumped version number to 0.4

martinblech/xmltodict,solvebio/xmltodict,martinblech/xmltodict,butson/xmltodict,CyberTailor/iBlock,bzamecnik/xmltodict,ahlusar1989/xmltodict,sporgj/xmltodict,lucius-feng/xmltodict,haiyangd/xmltodict,ralphbean/xmltodict,CyberTailor/iBlock,pombredanne/xmltodict,pombredanne/xmltodict