fixed: compared netto val to brutto val, adjusted comparison accuracy
added priceID to rowID
added additionald price calculation data to priceChange value
restructurated table, pricedata is in last column now, all others are dummys
implemented behaviour for 3 price change columns
fixed: small calculation deviations due to rounding
Merge branch 'feature/RefactorPriceChange' into develop
small name adjustment