#5: renamed the prefix 'food_not_implemented' to 'foodpedia-owl'
moved management of foodpedia's objects in graph to separate module
#5: changed uri for objects from goodsmatrix.ru to foodpedia.tk
#5, #2: fixed issue with wrong datatype and lang for literals
#2 added matching for the special words 'not greater| not less'
#4: added extracter of e-additives to a list
added command line option to appoint category and output file
supported e-additives with a hyphen
#5: updated readme file to show how to run parser
cosmetic changes
cosmetic changes