improving class comments.

system/routing/filter.php

@@ -49,10 +49,7 @@ class Filter {
 			// "Before" filters may override the request cycle. For example, an authentication
 			// filter may redirect a user to a login view if they are not logged in. Because of
 			// this, we will return the first filter response if overriding is enabled.
-			if ( ! is_null($response) and $override)
-			{
-				return $response;
-			}
+			if ( ! is_null($response) and $override) return $response;
 		}
 	}
 

system/routing/loader.php

@@ -60,9 +60,8 @@ class Loader {
 			array_push($segments, substr($segment, 0, strpos($segment, '.')));
 		}
 
-		// Shift the module name off of the beginning of the array so we can locate the
-		// appropriate route file. Since the module name will not be part of the directory
-		// structure, we need to get rid of it.
+		// Since it is no part of the route directory structure, shift the module name off of the
+		// beginning of the array so we can locate the appropriate route file.
 		if (count($segments) > 0 and ACTIVE_MODULE !== 'application')
 		{
 			array_shift($segments);

system/routing/route.php

@@ -52,10 +52,9 @@ class Route {
 	{
 		$response = null;
 
-		// The callback may be in array form, meaning it has attached filters or is named.
-		// However, the callback may also simply be a closure. If it is just a closure,
-		// we can execute it here. Otherwise, we will need to evaluate the route for any
-		// filters that need to be called.
+		// The callback may be in array form, meaning it has attached filters or is named and we
+		// will need to evaluate it further to determine what to do. If the callback is just a
+		// closure, we can execute it now and return the result.
 		if (is_callable($this->callback))
 		{
 			$response = call_user_func_array($this->callback, $this->parameters);