Make many member functions const.
Make many member functions const.

radarsat1/liblo,island-org/liblo,johne53/MB3Liblo,island-org/liblo,radarsat1/liblo,umlaeute/liblo,johne53/MB3Liblo,fsateler/liblo,fsateler/liblo,tuscland/liblo,tuscland/liblo,umlaeute/liblo,kneitinger/liblo,island-org/liblo,johne53/MB3Liblo,fsateler/liblo,kneitinger/liblo,kneitinger/liblo,radarsat1/liblo,tuscland/liblo,umlaeute/liblo,johne53/MB3Liblo