The library view issues some warnings: ``` qt.core.qobject.connect: QObject::connect: Incompatible sender/receiver arguments QListWidget::currentRowChanged(int) --> plug::Library::load_slot(std::size_t) qt.core.qobject.connect: QObject::connect: Incompatible sender/receiver arguments QListWidget::currentRowChanged(int) --> plug::Library::load_file(std::size_t) ``` [gh#26](https://github.com/offa/plug/issues/26)