* Fix some subtle timing issues with gpio.pulse
* Add the pulse:update method
* Allow getstate to work on stopped pulsers
* Make gpio.mode(, gpio.OUTPUT) actually set the output mode
* Added some more documentation
in float build, uV and sign are included in mV
in int build, uV and mV are absolute, sign is -1, 0, 1
added rounding of uV values
added optional test function
* ads1015 is supported, up to 4 devices can be connected at the same time
* removed debug, updated documentation
* changed to oop API
* added __gc to handle active timer cleanup
* reworked argument validation and error reporting
* stack is no longer messed up after __del
* ws2812 effects and color utils modules added
* Added documentation for new modules to mkdocs.yml
* changed mode option to string, documentation, default modules fixed
* updated user_modules.h
* add final sqlite3 patch
* remove unused defines, join caching code with esp vfs code to reduce exported symbols and shrink final file size
* Modules should by default be disabled and in alphabetical order
* Add support of counting of interrupts
* Update the timestamp when interrupt happens during dispatch. Also
clear out interrupts when setting up a new callback
* Improve RTC timekeeping -- includes clock rate tracking
* Improved division by 1M
* Fix crash in sntp
* Disable RTC debug
* Get the offset correct
* Add comments on where the mysterious numbers came from
* Fix a crash with auto repeat mode and errors on repeat
* fix 2007 Call callback in all cases, call callback with errorcode -1 if no connection could be establioshed
* change logging from ERR to DEBUG
* make debug output more clear (hopefully)
* add handling of errors to docs, note error handling on every call instead of only in the main documentation
* Add event callbacks to wifi.sta.config() and wifi.ap.config() and more
Added option to register event callbacks during configuration of both
station and AP.
Added option to register event callbacks to `wifi.sta.connect()` and
`wifi.sta.disconnect()`
* Add note about event registration to wifi module documentation
Other minor changes to wifi documentation are also included
* Add more detail to documentation for wifi.sta.config()