proposed implementation
rfc24 compliance
initialize outputformat refcount in constructor
Modified mapfile.c for ticket #4568.
more tests for getOutpuFormat list support #4552
Merge branch 'master' of git://github.com/mapserver/mapserver into outputformat
check refcount is zero before freeing (fix double free in php mapscript)
Merge pull request #4573 from unicolet/outputformat

Implement mapscript API for iterating outputformats of a map, ticket #4552