* NEW FEATURE: Added clean-dist and clean-dev targets
* ENHANCEMENT: Resized logo in Doxygen for better fit
* ENHANCEMENT: Doxygen takes branch name or version tag as `PROJECT_NUMBER`
* CHANGE: Version tag directly put in distribution filename
* CHANGE: `Tournament::GameExists()` renamed to `Tournament::gameExists()`
* CHANGE: Updated composer metadata
* CHANGE: Some setters changed to fluent setters. (More info: 7aca35057c10d2b982f93a698499c0c01df2fdc5)
