CAS testcases

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34100 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Use faster lookup when saving files

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34101 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e