Add possibility to define a root class for Loader
Add possibility to define a root class for Loader

jeremypepper/snakeyaml,votinhthieugia/snakeyaml,thinkofdeath/snakeyaml,yeison/snakeyaml,virustotalop/snakeyaml,UcasRichard/snakeyaml,umeding/snakeyaml,AssafMashiah/assafmashiah-yaml,joy32812/snakeyaml,Fighter777/snakeyaml,ldh0826/snakeyaml,marcuskara/snakeyaml,RussellSpitzer/snakeyaml,nxbdi/snakeyaml,cuizhennan/snakeyaml,mapiman/snakeyaml,ilantoren/snakeyaml,mc-nekoneko/snakeyaml,youxinren/snakeyaml,SorinS/snakeyaml,yskumar007/snakeyaml,yishenggudou/snakeyaml,Mause/snakeyaml,Akkrite/snakeyaml