Prevent NPE

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36124 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[giac] update CAS tests

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36125 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
only write debug message when there are 3D objects

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36126 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Use temp for Coords.projectLine()

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36127 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
improve debugging

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36128 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Prevent memory bleeding on a=a+1

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36129 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Prevent memory bleeding on a=a+1

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36130 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
remove debugging

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36131 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e