4.1.0 20170325
* Change static IP addresses in user_config.h from list (using commas)
to string (using dots)
* Unify display result of commands Modules, Module and Gpios
* Rewrite Module selection web page to bring size down from 18651 to
4319 bytes (!) (#234, #240)
* Add basic support for (Lixada) H801 RGBWW controller (#252)
* Add command Prefix1 to Prefix3 to assign SUB_PREFIX, PUB_PREFIX and
PUB_PREFIX2 respectively (#255)
* Add static ip addresses to flash (#262)
* Add commands IpAddress, Gateway, Subnetmask and DnsServer to select
static ip addresses (#273)
4.0.7 20170319
* Increased Sonoff Led PWM frequency from 432 to 1000
* Fix possible watch dog reboot after changing module type on web page
* Fix reporting of GPIO usage from web page
* Fix Sonoff Led blank during firmware upgrade
* Fix Sonoff Led flicker and possible flash corruption by using latest
Arduino-esp8266 versions
* of pwm core files included in sonoff library (#211)
* Add PWM output control with commands PWM1 to PWM5 using user
selectable GPIOs (#211)
* Fix exceptions due to low values of commands HlwPCal (10000), HlwUCal
(1000) and HlwICal (2500) (#223)
* Add Switch state to sensor status (#227, #233)
* Add user configuarble GPIO to module Sonoff Touch (#228)
* Add define WEB_PORT to user_config.h to change default web server port
from 80 (#232)
* Fix failed Ota Firmware upgrade started from Web page (#235)
4.0.6 20170316
* Fix to better find device by Wifi hostname
* Fix compile error when some I2C devices are disabled
* Add (experimental) support for SHT1X emulating I2C (#97)
* Add ADC to ElectroDragon (#203)
* Add support for Sonoff Dev (#206)
4.0.4 20170312
* Add pulse timers for up to 4 relays (#106)
* Fix Sonoff Led power state when dimmer or color is 0 (#176)
* Add command NtpServer<x> to configure up to three NTP servers (#177)
* Delete module User Test as module Wemos D1 mini has same/more user
configurable GPIO (#178)
* Add more user configurable GPIO to module ElectroDragon (#183)
4.0.2 20170308
* Restore correct seriallog level after Serial logging was disabled
* Add simple dimmer slider to Sonoff Led web page
* Reduced root webpage size by 31%
* Expand Status 2 with Build date/time and core version
* Fix webserver redirection when not in WifiManager mode (#156)
* Add command ButtonRestrict On/Off to restrict access to button hold
and button multi press options above 2 (#161)
* Fix DS18S20 negative temperature readings (#165)
* Fix crlf compilation error due to bad syntax (#144, #167)
4.0.1 20170305
* Fix char default sizes and set MESSZ to 360 (#143)
* Fix SerialLog setting status
* Disable syslog when emulation is active
* Add DS18B20 web page display refresh
4.0.0 20170303
* Add define to remove config migration code for versions below 3.0 (See
Wiki-Upgrade-Migration path)
* Free memory by switching from String to char[]
* Raised Sonoff Led PWM frequency from 200Hz to 432Hz in search of
stability (hardware watchdog timeouts) (#122)
* Increase message size and suggested minimum MQTT_MAX_PACKET_SIZE to
512 (#114, #124)
* Remove runtime warning message regarding MQTT_MAX_PACKET_SIZE too
small as it is now moved to compile time (#124)
* Fix possible panics with web console and http commands while UDP
syslog is active (#127)
* Add optional static IP address (#129)
* Add define ENERGY_RESOLUTION in user_config.h to allow user control
over precision (#136)
3.9.22 20170228
* Update web console
* Fix Status 4 JSON message
* Add Exception info during restart if available
* Add osWatch service to detect loop hangs that might happen during
(OTA) upgrades
* Add WiOn support for relay and switch only (#82, #102)
* Allow for user specified relay count up to four in sonoff_template.h
(#109)
* Add support for HTU21 compatible I2C sensors SI7013, SI7020 and SI7021
(#118)
* Add NodeMCU or Wemos configuration option (#119)
3.9.18 20170218
* Fix ledstate 0 to turn off led
* Fix Sonoff Led dimmer range (#16)
* Change Sonoff Led command Dimmer to act on both cold and warm color
* Add Sonoff Led command Color CCWW where CCWW are hexadecimal values
fro 00 - FF
* Reduce Sonoff Led flickering by disabling interrupts during flash save
and disabling
* Led during OTA upgrade and Web upload (#16)
3.9.16 20170214
* Update latching relay handler
* Add support for IR led using IRremoteESP8266 library (#59)
* Add Hue argument passing using ArduinoJSON library (#59)
3.9.13 20170210
* Add FlashChipSize to Status 4
* Removed redundant DHT2 option and code
* Add Sonoff SV GPIO pin 05 configuration (#40)
* Add configuration file backup and restore via web page
* Fix latency due to light_sleep mode even if sleep was set to zero
(#50)
3.9.12 20170208
* Fix compile error when webserver is disabled (#30)
* Fix possible ESP8285 flash problem by updating Flash Chip Mode to DOUT
during OTA upload
* Fix hostname issues by not allowing user entry of string formatting
and removing from user_config.h (#36)