Req needed for sales return: {"voucher_id":"6","type":"salesreturn"}, - App Fixed
92. Req needed for purchase return:{"voucher_id":"6","type":"purchasereturn"} – App Fixed
    89. Payment multiple bluetooth print – App Fixed
    90. In the login Screen – Change to Bluesky Technologies 2020 (copyright sysmbol) and put Version2.0 – App Fixed
