anchor.diff:  %%				will be the returned value, and the server will also overwrite this 
   %%				value in all vnodes to resolve the conflict
   %%
  -%% If all of the conflicting objects are dmap()'s, or the server detects that any
  -%% conflicting value is a new version of a stored value (using the context) it is 
  -%% automatically reconciled.
  -%% 
   %% The server then waits for the remaining (up to 'n') nodes to respond, 
   %% reconciles again, and updates the 'winning' value in all vnodes back (read repair).
   %%
  
positive.code: 	#{
  		backend => backend(),
  		n => pos_integer(),
  		start => key(),					% Key to start (default: first key)
  		stop =>  key(),					% Key to stop (default: last key)
  		page_size => pos_integer(),		% 
  
negative.code: %% - fun():     if you supply a function, it will be called with all the conflicting
  %%			    objects, and you must select one of them or create a new one.
  %% 
  %% Please notice that an 'ok' response means that all the requested vnodes 
  %% ('w' parameter) have received and stored the object. It does not mean that
  %% there is no conflict. An error response means that some of the vnodes have 
  