* Add PHP 7.4 to build matrix
* DB fix
* YAML parser fix in test data
* Show versions
* Package updates
* Track used ICAOs
* 7.4 METAR parsing fix
* METAR parser fix
* Formatting
* Add meters to response units
* Call instance for unit conversion
* Return value
* Catch exception for unknown quantity
* Comment fix
* Formatting
* METAR parsing fixes on PHP 7.4
* Package updates
* More random airport ID
* More random airport ID
* Properly disable toolbar
* Semver written out to version file
* Use dev as default identifier
* Don't allow cancels from certain states
* Unused imports
* Don't reset the state doubly
* Move SetUserActive into listener; code cleanup
* Unused imports
* Add missing files into htaccess
* Move Command contract to correct folder
* Switch to semver format
* Rewrite new version check to use Github Releases and cron
* Styling
* Remove v from in front of version
* New version check test fix
* Uncomment test case
