Add v0.4.7 to changelog
Add v0.4.7 to changelog

IveWong/fluxible,localnerve/fluxible,kwangkim/fluxible,gpbl/fluxible,kelsadita/fluxible,YoussefTaghlabi/fluxible,pablolmiranda/fluxible,v2018z/fluxible,turadg/fluxible