better aron assertion checking

...tion/codegenerator/codewriter/cpp/generator/Generator.cpp

...codegenerator/codewriter/cpp/generator/ndarray/Matrix.cpp

...erator/codewriter/cpp/generator/toplevel/IntEnumClass.cpp

...nerator/codewriter/cpp/generator/toplevel/ObjectClass.cpp

source/RobotAPI/libraries/aron/core/Exception.h