Gerald Haesendonck

This enables an automatic 'composer install' command in what Laravel considers "production environments". Normally it asks confirmation (you have to type "y" at some steps), but this is not desired...

### Issue type: :bug: Bug ### Description When using references in functions, a `rml:parentTermap` gets generated instead of a `rml:reference`. ### Steps Generate RML from [test/condition-function-on-po/mapping.rml.ttl](https://github.com/RMLio/yarrrml-parser/blob/1ff6e5aa2d9b1f71b5b405138803400e1e9f9223/test/condition-function-on-po/mapping.rml.ttl) The resulting RML looks...