Less stacktrace

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36091 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Make sure we do not send localized functions to CAS

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36092 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e