Major changes in 3.26.0:
* Many fixes to recurrent events (Yash Singh, Georges Basile Stavracas Neto)
* Cache events for better resource management
* Improve organization of files in the source code
* Handle command line options correctly (Mohammed Sadiq)
* Added the first version of a test suite. This will allow us continue improving
  and delivering new features with much less regressions.
* Many code cleanups and reorganizations.
* Updated translations for many languages.