update phpCAS

plugins/cas_auth_unl/composer.json

 {
   "require": {
-    "jasig/phpcas": "~1.3",
+    "jasig/phpcas": "1.3.x-dev",
     "tedivm/stash": "~0.13"
   }
 }

plugins/cas_auth_unl/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"
     ],
-    "hash": "b4245ecc009711f2dc14b812d7df3801",
-    "content-hash": "6100f9d8f438ea02c6cc1e2fdb4f9075",
+    "content-hash": "3c159cf3bf5c282651e8fefe10c17c8e",
     "packages": [
         {
             "name": "jasig/phpcas",
-            "version": "1.3.4",
+            "version": "dev-master",
             "source": {
                 "type": "git",
-                "url": "https://github.com/Jasig/phpCAS.git",
-                "reference": "8c74d21630f74278270830fdbdb0c1317bce3f0a"
+                "url": "https://github.com/apereo/phpCAS.git",
+                "reference": "7a949dee79aaadc16161d7d4863b5c0871546222"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Jasig/phpCAS/zipball/8c74d21630f74278270830fdbdb0c1317bce3f0a",
-                "reference": "8c74d21630f74278270830fdbdb0c1317bce3f0a",
+                "url": "https://api.github.com/repos/apereo/phpCAS/zipball/7a949dee79aaadc16161d7d4863b5c0871546222",
+                "reference": "7a949dee79aaadc16161d7d4863b5c0871546222",
                 "shasum": ""
             },
             "require": {
                 "ext-curl": "*",
-                "php": ">=5.0.0"
+                "php": ">=5.4.0"
             },
             "require-dev": {
                 "phpunit/phpunit": "~3.7.10"
@@ -56,10 +55,11 @@
             "description": "Provides a simple API for authenticating users against a CAS server",
             "homepage": "https://wiki.jasig.org/display/CASC/phpCAS",
             "keywords": [
+                "apereo",
                 "cas",
                 "jasig"
             ],
-            "time": "2015-11-16 20:44:36"
+            "time": "2018-03-15T13:17:25+00:00"
         },
         {
             "name": "tedivm/stash",
@@ -113,13 +113,15 @@
                 "redis",
                 "sessions"
             ],
-            "time": "2015-12-29 00:07:05"
+            "time": "2015-12-29T00:07:05+00:00"
         }
     ],
     "packages-dev": [],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {
+        "jasig/phpcas": 20
+    },
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": [],