Merge branch 'testing' of https://github.com/02JanDal/MultiMC5 into develop

Conflicts:
	MultiMC.cpp

logic/lists/InstanceList.cpp

@@ -36,11 +36,16 @@ const static int GROUP_FILE_FORMAT_VERSION = 1;
 InstanceList::InstanceList(const QString &instDir, QObject *parent)
 	: QAbstractListModel(parent), m_instDir(instDir)
 {
+	connect(MMC, &MultiMC::aboutToQuit, this, &InstanceList::saveGroupList);
+
+	if (!QDir::current().exists(m_instDir))
+	{
+		QDir::current().mkpath(m_instDir);
+	}
 }
 
 InstanceList::~InstanceList()
 {
-	saveGroupList();
 }
 
 int InstanceList::rowCount(const QModelIndex &parent) const

logic/lists/InstanceList.h

@@ -29,6 +29,9 @@ class InstanceList : public QAbstractListModel
 	Q_OBJECT
 private:
 	void loadGroupList(QMap<QString, QString> &groupList);
+
+private
+slots:
 	void saveGroupList();
 
 public: