barcodes
fixed generating an new fridge.json
add file
add module argparse
create argpasers arguments
change variable for product amount and sub add list
add barcode_interface function
merge from branch barcodes
add interactive_input and rename barcode_interface to interface
change function name interativ
barode functions  outsourced
eleminated globalfrisge object
include save load function
fix substitute problems
create barcodereader class
renamed
create classes an 'tune' the script
*.pyc
fix variabel

product -> argv.product
amount -> argv.amount
rename methods

Parse2Json -> ParseJson
Load4Json -> LoadJson
Save2Json -> SaveJson