updated (c) notice to acknowledge individual contributors
updated (c) notice to acknowledge individual contributors

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