Update ClassFinder.php

Fixed up comments and to-do's

src/ClassFinder.php

@@ -42,8 +42,8 @@ protected static function getProjectClasses(string $namespace): array
             return get_declared_classes();
         }
         $map = self::getClassMap($namespace);
-        // now class list of maps are assembled, use class_exists calls to explicitly autoload them,
-        // while not running them
+        // now thr classmap is assembled, use class_exists calls to explicitly autoload them,
+        // while not running them. Autoloading allows for caching future results
         foreach ($map as $class => $file) {
             if (!self::strStartsWith($namespace, $class)) {
                 continue;
@@ -152,10 +152,6 @@ public static function getClasses(string $namespace = '', callable $conditional
             $conditional,
             $includeVendor
         ) {
-            /*$dontSkip = true;
-            if (!$includeVendor) {
-                $dontSkip = !self::isClassInVendor($class);
-            }*/
             $dontSkip = $includeVendor || !self::isClassInVendor($class);
             return substr($class, 0, strlen($namespace)) === $namespace && $dontSkip && $conditional($class) ;
         }));
@@ -172,6 +168,7 @@ protected static function getProjectSearchDirs(string $namespace): array
     {
         $autoloader = self::getComposerAutoloader();
         $raw = $autoloader->getPrefixesPsr4();
+        //to-do: at the moment this requires the psr4 namespace. Should we search for a parent namespace if the requested on is not present? Also what do we do for empty strings?
         return $raw[$namespace];
     }