code: public static InputStream getFor(String name, Object obj)
  	{
  		if(obj == null)
  			throw new NullPointerException("obj is null");
  		return getFor(name,obj.getClass());
  	}
docs: Gets a InputStream for a objects's package.
  @param name The name of the resource.
  @param obj The obj to use for the package name
  @return InputStream for the resource.
  @throws NullPointerException if name or obj are null.
  ResourceException if the resource cannot be found.