JuanFi v2.0 release

• Voucher prefix setting
• LCD 20x4 support
• Optional Check internet status
• Multivendo support
• Bug fixes
• Added showing of voucher code when the coin already inserted
• change wifi connection retry to 45 sec
• voucher purchase in vendo (no need phone)

JuanFi v1.5 release

• LCD support
• Admin Logout function
• Pin assignment
• Anti-Abuse for coinslot
• Changes to LCD component
• Insert coin button support
• Bug fixes