Update erusev/parsedown to latest version

Changelog

@@ -1,4 +1,5 @@
 2018-03-08 DariusIII
+	* Chg: Update erusev/parsedown to latest version
 	* Fix: Fix displaying of flag images
 2018-03-07 DariusIII
 	* Chg: Update laravel/framework to version 5.6.9 and laravel/tinker to version 1.0.4

composer.lock

@@ -2206,19 +2206,20 @@
         },
         {
             "name": "erusev/parsedown",
-            "version": "1.7.0",
+            "version": "1.7.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/erusev/parsedown.git",
-                "reference": "6678d59be48c4be64eaca6ce70bea48a09488cc2"
+                "reference": "92e9c27ba0e74b8b028b111d1b6f956a15c01fc1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/erusev/parsedown/zipball/6678d59be48c4be64eaca6ce70bea48a09488cc2",
-                "reference": "6678d59be48c4be64eaca6ce70bea48a09488cc2",
+                "url": "https://api.github.com/repos/erusev/parsedown/zipball/92e9c27ba0e74b8b028b111d1b6f956a15c01fc1",
+                "reference": "92e9c27ba0e74b8b028b111d1b6f956a15c01fc1",
                 "shasum": ""
             },
             "require": {
+                "ext-mbstring": "*",
                 "php": ">=5.3.0"
             },
             "require-dev": {
@@ -2247,7 +2248,7 @@
                 "markdown",
                 "parser"
             ],
-            "time": "2018-02-28T11:41:37+00:00"
+            "time": "2018-03-08T01:11:30+00:00"
         },
         {
             "name": "exeu/apai-io",