saml2 3.1.5 -> 3.1.6

composer.lock

 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "cce632a654df08dacb6e48fca10476da",
+    "content-hash": "429c28dc40717fc389a01b58acdbfa6b",
     "packages": [
         {
             "name": "gettext/gettext",
@@ -260,16 +260,16 @@
         },
         {
             "name": "simplesamlphp/saml2",
-            "version": "v3.1.5",
+            "version": "v3.1.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/simplesamlphp/saml2.git",
-                "reference": "a07885a55fe5d3335ef0913ee9e95a75b34bfc52"
+                "reference": "d809ffbe2aa7260a0b3e72bf5be8cd6de0325d7c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/simplesamlphp/saml2/zipball/a07885a55fe5d3335ef0913ee9e95a75b34bfc52",
-                "reference": "a07885a55fe5d3335ef0913ee9e95a75b34bfc52",
+                "url": "https://api.github.com/repos/simplesamlphp/saml2/zipball/d809ffbe2aa7260a0b3e72bf5be8cd6de0325d7c",
+                "reference": "d809ffbe2aa7260a0b3e72bf5be8cd6de0325d7c",
                 "shasum": ""
             },
             "require": {
@@ -313,7 +313,7 @@
                 }
             ],
             "description": "SAML2 PHP library from SimpleSAMLphp",
-            "time": "2018-04-18T04:43:35+00:00"
+            "time": "2018-05-04T12:03:18+00:00"
         },
         {
             "name": "twig/extensions",
@@ -2646,7 +2646,5 @@
         "ext-json": "*",
         "ext-mbstring": "*"
     },
-    "platform-dev": {
-        "ext-pdo_sqlite": "*"
-    }
+    "platform-dev": []
 }