tasks/rdfstore/index.js
function(s, p, o)
{
   if(p in s)
   {
      if(s[p].constructor === Array)
      {
         s[p].push(o);
      }
      else
      {
         s[p] = [s[p], o];
      }
   }
   else
   {
      s[p] = o;
   }
}
function(s, p, o)
{
   if(p in s)
   {
      if(s[p].constructor === Array)
      {
         s[p].push(o);
      }
      else
      {
         s[p] = [s[p], o];
      }
   }
   else
   {
      s[p] = o;
   }
}
function ( s , p , o ) { if ( p in s ) { if ( s [ p ] . constructor === Array ) { s [ p ] . push ( o ) ; } else { s [ p ] = [ s [ p ] , o ] ; } } else { s [ p ] = o ; } }
Sets a subject's property to the given object value. If a value already
exists, it will be appended to an array.

@param s the subject.
@param p the property.
@param o the object.
Sets a subject s property to the given object value . If a value already exists it will be appended to an array .