Update composer dependencies and don't use phpunit 5 yet

composer.json

@@ -14,6 +14,6 @@
         "squizlabs/php_codesniffer": ">=2.3.3"
     },
     "require-dev": {
-        "phpunit/phpunit": ">=3.7"
+        "phpunit/phpunit": ">=3.7 <5.0"
     }
 }

composer.lock

@@ -4,7 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "d28df212b95623e8eaf6a55f34cf96cc",
+    "hash": "1784dfca98665c6df282bc206387d30e",
+    "content-hash": "d23eb7a4c340de105eadd17f905ba56b",
     "packages": [
         {
             "name": "squizlabs/php_codesniffer",
@@ -487,16 +488,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "4.8.7",
+            "version": "4.8.10",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "dab2ada9e9a503d2ec3c32fe0fb59dea9bdd9dfa"
+                "reference": "463163747474815c5ccd4ae12b5b355ec12158e8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/dab2ada9e9a503d2ec3c32fe0fb59dea9bdd9dfa",
-                "reference": "dab2ada9e9a503d2ec3c32fe0fb59dea9bdd9dfa",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/463163747474815c5ccd4ae12b5b355ec12158e8",
+                "reference": "463163747474815c5ccd4ae12b5b355ec12158e8",
                 "shasum": ""
             },
             "require": {
@@ -555,20 +556,20 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2015-09-14 06:57:22"
+            "time": "2015-10-01 09:14:30"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
-            "version": "2.3.7",
+            "version": "2.3.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit-mock-objects.git",
-                "reference": "5e2645ad49d196e020b85598d7c97e482725786a"
+                "reference": "ac8e7a3db35738d56ee9a76e78a4e03d97628983"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/5e2645ad49d196e020b85598d7c97e482725786a",
-                "reference": "5e2645ad49d196e020b85598d7c97e482725786a",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/ac8e7a3db35738d56ee9a76e78a4e03d97628983",
+                "reference": "ac8e7a3db35738d56ee9a76e78a4e03d97628983",
                 "shasum": ""
             },
             "require": {
@@ -611,7 +612,7 @@
                 "mock",
                 "xunit"
             ],
-            "time": "2015-08-19 09:14:08"
+            "time": "2015-10-02 06:51:40"
         },
         {
             "name": "sebastian/comparator",
@@ -986,16 +987,16 @@
         },
         {
             "name": "symfony/yaml",
-            "version": "v2.7.4",
+            "version": "v2.7.5",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/Yaml.git",
-                "reference": "2dc7b06c065df96cc686c66da2705e5e18aef661"
+                "url": "https://github.com/symfony/yaml.git",
+                "reference": "31cb2ad0155c95b88ee55fe12bc7ff92232c1770"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/Yaml/zipball/2dc7b06c065df96cc686c66da2705e5e18aef661",
-                "reference": "2dc7b06c065df96cc686c66da2705e5e18aef661",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/31cb2ad0155c95b88ee55fe12bc7ff92232c1770",
+                "reference": "31cb2ad0155c95b88ee55fe12bc7ff92232c1770",
                 "shasum": ""
             },
             "require": {
@@ -1031,7 +1032,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2015-08-24 07:13:45"
+            "time": "2015-09-14 14:14:09"
         }
     ],
     "aliases": [],