* heuristics fix#1269#1270
* moved `sendInterval` in settings, **important:** *will be reseted to 15s after update to this version*
* try to prevent access to radio classes if they are not activated
* fixed millis in serial log
* changed 'print whole trace' = `false` as default
* added communication loop duration in [ms] to serial console
* don't print Hex-Payload if 'print whole trace' == `false`
* fix display of hidden SSID checkbox
* changed yield correction data type to `double`, now decimal places are supported
* corrected name of 0.91" display in settings
* attempt to fix MqTT zero values only if setting is there #980, #957
* made AP password configurable #951
* added option to start without time-sync, eg. for AP-only-mode #951
added part of mac address to MQTT client ID to seperate multiple ESPs in same network
added dictionary for MQTT to reduce heap-fragmentation
removed `last Alarm` from Live view, because it showed always the same alarm - will change in future
improved `isAvailable`, checkes all record structs, inverter becomes available more early because version is check first
fix tickers were not set if NTP is not available
disabled annoying `FlashStringHelper` it gives randomly Expeptions during development, feels more stable since then
moved erase button to the bottom in settings, not nice but more functional
split `tx_count` to `tx_cnt` and `retransmits` in `system.html`
fix mqtt retransmit IP address #602
added debug infos for `scheduler` (web -> `/debug` as trigger prints list of tickers to serial console)
fix Prometheus and JSON endpoints (`config_override.h`) #561
publish MQTT with fixed interval even if inverter is not available #542
added JSON settings upload. NOTE: settings JSON download changed, so only settings should be uploaded starting from version `0.5.70` #551
MQTT topic and inverter name have more allowed characters: `[A-Za-z0-9./#$%&=+_-]+`, thx: @Mo Demman
improved potential issue with `checkTicker`, thx @cbscpe
MQTT option for reset values on midnight / not avail / communication stop #539
small fix in `tickIVCommunication` #534
add `YieldTotal` correction, eg. to have the option to zero at year start #512
fix Prometheus and JSON endpoints (`config_override.h`) #561
publish MQTT with fixed interval even if inverter is not available #542
added JSON settings upload. NOTE: settings JSON download changed, so only settings should be uploaded starting from version `0.5.70` #551
MQTT topic and inverter name have more allowed characters: `[A-Za-z0-9./#$%&=+_-]+`, thx: @Mo Demman
improved potential issue with `checkTicker`, thx @cbscpe
MQTT option for reset values on midnight / not avail / communication stop #539
small fix in `tickIVCommunication` #534
add `YieldTotal` correction, eg. to have the option to zero at year start #512
included #483 improvements
fix#468 last_success MQTT
fix#468 update available status at sunset
fix#447 reorderd enqueue commands to not have same payload length in a row
added ssd1306 and nokia display to build script