5.0.52.0

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@38187 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #4821: one of the bugs fixed with the algorithm (about out of bounds exception), there is another bug with Greek letters!

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@38188 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e