Apply PHOENIX_EXPORT to all classes, structs, free functions
Everything should be exported if we switched to building a shared library.
closes #204
Aufgrund einer Wartung am 14.05 von 8:00 bis 09:00 Uhr wird das System kurzfristig nicht zur Verfügung stehen. -- Due to maintenance on May the 14th from 8:00 am to 09:00 am the system will temporarily not be available.
Everything should be exported if we switched to building a shared library.
closes #204