Fixing serializeToJson for structs/classes with to/fromJson to/fromString.
Fixing serializeToJson for structs/classes with to/fromJson to/fromString.

xentec/dub,gedaiu/dub,y12uc231/dub,Abscissa/dub,jelmansouri/dub,grogancolin/dub,schuetzm/dub,rjframe/dub,D-Programming-Language/dub,p0nce/dub,Flamaros/dub,dreamsxin/dub,Geod24/dub,alexeibs/dub,Abscissa/dub-data-mod,jeanbaptistelab/dub,nazriel/dub