Addresses fixes for Issues #23 and #24

Addresses Issues #17 , #18 , #22

Fixed bug introduced in the v1.0.7 for issue #18

Issue #18 - added new square wave output overloaded call to pinSquareWave() and updated wiki documentation

Moved repository from "SV-Zanshin" to "Zanduino" and corrected all internal references
Fixed internal source formatting to adhere to "clang-format" standards
Changed from Travis-CI to GitHub Actions for Continuous Integration (CI)

Issue #14 - reformatted all source code standardized clang-format
Issue #13 - added function isStopped() to allow checking to see if the oscillator is stopped.

Addressed the following issues:

Issue #8 - Doxygen documentation implementation
Issue #9 - Logic inverted on PinAlarm and PinSquareWave
Issue #12 - It was possible to set the hours > 23

Minor code changes to support ESP32 builds with Travis-CI

Fixed issue #3

Enhancement #2 and DOI