8.0.5 - Multi Meter Support

• NEW 8.0.5: bug fix: saving prevalue
• NEW 8.0.4: bug fix: load config.ini after upgrade
• NEW 8.0.3: bug fix: reboot during config.ini handling, html error
• NEW 8.0.2: saving roundes prevalue, bug fix html server
• NEW 8.0.1: bug fix: html handling of parameter FixedExposure and ImageSize
• Dual / multi meter support (more than 1 number to be recognized) This is implemented with the feature "number" on the ROI definition as well as selected options
• MQTT: standardization of the naming - including new topics (json, freeMem , uptime)c
• Preparation for extended GPIO support (thanks to Zwerk2k) - not tested and fully functional yet
• Bug fixing: html server, memory leak, MQTT connect, hostname, turn of flash LED