Update opis/closure to version 3.1.3

Changelog

@@ -1,3 +1,5 @@
+2019-01-07 DariusIII
+	* Chg: Update opis/closure to version 3.1.3
 2019-01-06 DariusIII
 	* Chg: Remove debug code from predb_import_daily_batch.php
 	* Chg: Update used libraries to their latest versions

composer.lock

@@ -3888,16 +3888,16 @@
         },
         {
             "name": "opis/closure",
-            "version": "3.1.2",
+            "version": "3.1.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/opis/closure.git",
-                "reference": "de00c69a2328d3ee5baa71fc584dc643222a574c"
+                "reference": "5e9095ce871a425ab87a854b285b7766de38a7d9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/opis/closure/zipball/de00c69a2328d3ee5baa71fc584dc643222a574c",
-                "reference": "de00c69a2328d3ee5baa71fc584dc643222a574c",
+                "url": "https://api.github.com/repos/opis/closure/zipball/5e9095ce871a425ab87a854b285b7766de38a7d9",
+                "reference": "5e9095ce871a425ab87a854b285b7766de38a7d9",
                 "shasum": ""
             },
             "require": {
@@ -3910,7 +3910,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0.x-dev"
+                    "dev-master": "3.1.x-dev"
                 }
             },
             "autoload": {
@@ -3945,7 +3945,7 @@
                 "serialization",
                 "serialize"
             ],
-            "time": "2018-12-16T21:48:23+00:00"
+            "time": "2019-01-06T22:07:38+00:00"
         },
         {
             "name": "paragonie/random_compat",