update sqlitecpp & merge property settings into properties

Signed-off-by: Folling <mail@folling.io>

src/objects/object.cpp

@@ -0,0 +1,13 @@
+#include "object.hpp"
+
+IkarusProject * IkarusObject::get_project() {
+    return _project;
+}
+
+IkarusProject * IkarusObject::get_project() const {
+    return _project;
+}
+
+IkarusId IkarusObject::get_id() const {
+    return _id;
+}