Version bump

Version bump to let Arduino libraries get new release after an error creating previous release on GitHub. Nothing changed from previous release.

Fix 19-byte overflow request on ATTiny.

v.6.9.8 - Fix 19-byte overflow request on ATTiny. Fixes #48, thanks to @wldyslw for his research

Fix AtTiny support

Fix refresh() on AtTiny, solving #48 - Thanks @wldyslw

ESP32 and ESP8266 example

Added a complex example using uEspConfigLib library that consists in a full frontend to manage WiFi and RTC registers

Fix parentheses

Thanks to @pk17r !

Status internal register improvements for DS1307

Thanks to @pk17r !

Added Wire1 example

• Added Wire1 example
• Changed from Travis-CI to GitHub actions
• Fixed compile error on Arduino Nano Everything

Docs improvements

Fix a typo
Add link to I2C unlock procedure.

Both thanks to @rtek1000 .

Access to last one byte of RTCs RAM : PR #37

Access to last one byte of RTCs RAM : PR #37

Minor release, no change on functionality. BIG thanks to @BenUniqcode

Add error check to refresh function

Now this function returns bool value, false on errors: PR #36

Thanks to @BenUniqcode