* 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
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