add support for cdata serialization
add support for cdata serialization

this serializes only references, values will be converted to pointers if
necessary

bmichalo/MoonGen,atheurer/MoonGen,pavel-odintsov/MoonGen,schoenb/MoonGen,dschoeffm/MoonGen,scholzd/MoonGen,gallenmu/MoonGen,duk3luk3/MoonGen,gallenmu/MoonGen,werpat/MoonGen,emmericp/MoonGen,emmericp/MoonGen,pavel-odintsov/MoonGen,pavel-odintsov/MoonGen,gallenmu/MoonGen,werpat/MoonGen,duk3luk3/MoonGen,atheurer/MoonGen,NetronomeMoongen/MoonGen,gallenmu/MoonGen,wenhuizhang/MoonGen,werpat/MoonGen,slyon/MoonGen,slyon/MoonGen,schoenb/MoonGen,dschoeffm/MoonGen,atheurer/MoonGen,bmichalo/MoonGen,gallenmu/MoonGen,NetronomeMoongen/MoonGen,kidaa/MoonGen,wenhuizhang/MoonGen,bmichalo/MoonGen,gallenmu/MoonGen,wenhuizhang/MoonGen,gallenmu/MoonGen,slyon/MoonGen,bmichalo/MoonGen,kidaa/MoonGen,kidaa/MoonGen,slyon/MoonGen,gallenmu/MoonGen,schoenb/MoonGen,scholzd/MoonGen,NetronomeMoongen/MoonGen,dschoeffm/MoonGen,scholzd/MoonGen,emmericp/MoonGen,duk3luk3/MoonGen