1. Fixed missing boost and wechat column caused the client socket prompt error while downloading.
2. Fixed when there is no sales item and press price button (F6) system will prompt error.
3. Fixed Cash Sales next document no already exist in system and system will keep prompt save error until user reset next document No.
In this version system will auto update to next document no if current document no is exist when perform new transaction.
4. Added Ipay88 payment integration.