MITAB: fix related Perl tests and fix multipoint/geometrycollection creation (#5652)

git-svn-id: https://svn.osgeo.org/gdal/trunk@27692 f0d54148-0727-0410-94bb-9a71ac55c965
OGRAPISPY: relax CPLAssert() test

git-svn-id: https://svn.osgeo.org/gdal/trunk@27693 f0d54148-0727-0410-94bb-9a71ac55c965