Dev. Add on versioning

Kodi generally establishes the following version scheme: x.y.z (major.minor.patch) Kodi Wiki

In detail this addon will follow the following methodology:

X for major interface changes or breaking changes (i.e. API, routing, backward-compatibility)
Y for minor interface changes, major improvements or new features
Z for minor improvements or bug-fixes

Note: this versioning has been adopted since version 1.0.0