code: function excludeBundles(done) {
  		debug('excludeBundles()');
  
  		// With force options to true : do not exclude any packet
  		if(options.force) {
  			incBundles = packets;
  			return done();
  		}
  
  		// Check the existence of all the packets output files :
  		async.forEach(packets, function(packet, next) {
  			fs.stat(packet.makePath(options), function(err) {
  				// Packet doesn't exits : add it to packets to compile :
  				if(err) incBundles.push(packet);
  				next();
  			});
  		}, function() {
  			if(!incBundles.length) {
  				// Stop generation process if all the packets are allready
  				// generated
  
  				//return done(new NoErrorEnd()); // !! Bug : we nee to rewrite the
  				//bootstrap anyway !!
  			}
  			done();
  		});
  	}
docs: Step 3
  
  Apply packet the packet exclusion process : if a packet is allready generated
  (with the same hash key) then the packet is removed from the generator
  stack.
  
  If the generator stack is empty, then the NoErrorEnd() object returned to the
  callback stop the generation process.
  
  @api private