#4213 Save works in closed cases too (ie the ggb has Spreadsheet, but has not been opened before resaving it)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33650 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
CAS: fix for ℯ ^(ln(4.93)/1.14)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33651 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e