move get_metadata out of the class
move get_metadata out of the class

elaOnMars/sigal,kontza/sigal,jasuarez/sigal,Ferada/sigal,saimn/sigal,cbosdo/sigal,jasuarez/sigal,franek/sigal,Ferada/sigal,kontza/sigal,t-animal/sigal,jasuarez/sigal,cbosdo/sigal,kontza/sigal,jdn06/sigal,saimn/sigal,xouillet/sigal,jdn06/sigal,xouillet/sigal,saimn/sigal,franek/sigal,Ferada/sigal,muggenhor/sigal,cbosdo/sigal,xouillet/sigal,t-animal/sigal,elaOnMars/sigal,jdn06/sigal,t-animal/sigal,muggenhor/sigal