mark old classes as depricated

Author: optimistex

.gitignore

@@ -19,7 +19,7 @@
  *    'ls'
  * ]);
  * ```
- * @deprecated
+ * @deprecated will be deleted in v1.2
  */
 class ShellHelper
 {
@@ -72,7 +72,7 @@ public static function php()
  * LogHelper::init('log_file.txt');
  * LogHelper::log('message for logging');
  * ```
- * @deprecated
+ * @deprecated will be deleted in v1.2
  */
 class LogHelper
 {