diff --git a/composer.lock b/composer.lock
index dc6d7afec..a93fb8e79 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "e18501d127e13e3619f80abbcf372c81",
+    "content-hash": "cc935b611f9e58595c17efc6e7eff79a",
     "packages": [
         {
             "name": "composer/ca-bundle",
@@ -440,21 +440,21 @@
         },
         {
             "name": "symfony/console",
-            "version": "v2.8.15",
+            "version": "v2.8.18",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/console.git",
-                "reference": "d5643cd095e5e37d31e004bb2606b5dd7e96602f"
+                "reference": "81508e6fac4476771275a3f4f53c3fee9b956bfa"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/console/zipball/d5643cd095e5e37d31e004bb2606b5dd7e96602f",
-                "reference": "d5643cd095e5e37d31e004bb2606b5dd7e96602f",
+                "url": "https://api.github.com/repos/symfony/console/zipball/81508e6fac4476771275a3f4f53c3fee9b956bfa",
+                "reference": "81508e6fac4476771275a3f4f53c3fee9b956bfa",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.9",
-                "symfony/debug": "~2.7,>=2.7.2|~3.0.0",
+                "symfony/debug": "^2.7.2|~3.0.0",
                 "symfony/polyfill-mbstring": "~1.0"
             },
             "require-dev": {
@@ -497,20 +497,20 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2016-12-06T11:59:35+00:00"
+            "time": "2017-03-04T11:00:12+00:00"
         },
         {
             "name": "symfony/debug",
-            "version": "v2.8.15",
+            "version": "v2.8.18",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/debug.git",
-                "reference": "62a68f640456f6761d752c62d81631428ef0d8a1"
+                "reference": "e90099a2958d4833a02d05b504cc06e1c234abcc"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/debug/zipball/62a68f640456f6761d752c62d81631428ef0d8a1",
-                "reference": "62a68f640456f6761d752c62d81631428ef0d8a1",
+                "url": "https://api.github.com/repos/symfony/debug/zipball/e90099a2958d4833a02d05b504cc06e1c234abcc",
+                "reference": "e90099a2958d4833a02d05b504cc06e1c234abcc",
                 "shasum": ""
             },
             "require": {
@@ -522,7 +522,7 @@
             },
             "require-dev": {
                 "symfony/class-loader": "~2.2|~3.0.0",
-                "symfony/http-kernel": "~2.3.24|~2.5.9|~2.6,>=2.6.2|~3.0.0"
+                "symfony/http-kernel": "~2.3.24|~2.5.9|^2.6.2|~3.0.0"
             },
             "type": "library",
             "extra": {
@@ -554,20 +554,20 @@
             ],
             "description": "Symfony Debug Component",
             "homepage": "https://symfony.com",
-            "time": "2016-11-15T12:53:17+00:00"
+            "time": "2017-02-18T19:13:35+00:00"
         },
         {
             "name": "symfony/filesystem",
-            "version": "v2.8.15",
+            "version": "v2.8.18",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/filesystem.git",
-                "reference": "a3784111af9f95f102b6411548376e1ae7c93898"
+                "reference": "e542d4765092d22552b1bf01ddccfb01d98ee325"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/filesystem/zipball/a3784111af9f95f102b6411548376e1ae7c93898",
-                "reference": "a3784111af9f95f102b6411548376e1ae7c93898",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/e542d4765092d22552b1bf01ddccfb01d98ee325",
+                "reference": "e542d4765092d22552b1bf01ddccfb01d98ee325",
                 "shasum": ""
             },
             "require": {
@@ -603,20 +603,20 @@
             ],
             "description": "Symfony Filesystem Component",
             "homepage": "https://symfony.com",
-            "time": "2016-10-18T04:28:30+00:00"
+            "time": "2017-02-18T17:06:33+00:00"
         },
         {
             "name": "symfony/finder",
-            "version": "v2.8.15",
+            "version": "v2.8.18",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/finder.git",
-                "reference": "c0f10576335743b881ac1ed39d18c0fa66048775"
+                "reference": "5fc4b5cab38b9d28be318fcffd8066988e7d9451"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/finder/zipball/c0f10576335743b881ac1ed39d18c0fa66048775",
-                "reference": "c0f10576335743b881ac1ed39d18c0fa66048775",
+                "url": "https://api.github.com/repos/symfony/finder/zipball/5fc4b5cab38b9d28be318fcffd8066988e7d9451",
+                "reference": "5fc4b5cab38b9d28be318fcffd8066988e7d9451",
                 "shasum": ""
             },
             "require": {
@@ -652,7 +652,7 @@
             ],
             "description": "Symfony Finder Component",
             "homepage": "https://symfony.com",
-            "time": "2016-12-13T09:38:12+00:00"
+            "time": "2017-02-21T08:33:48+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
@@ -715,16 +715,16 @@
         },
         {
             "name": "symfony/process",
-            "version": "v2.8.15",
+            "version": "v2.8.18",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/process.git",
-                "reference": "1a1bd056395540d0bc549d39818316513565d278"
+                "reference": "41336b20b52f5fd5b42a227e394e673c8071118f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/process/zipball/1a1bd056395540d0bc549d39818316513565d278",
-                "reference": "1a1bd056395540d0bc549d39818316513565d278",
+                "url": "https://api.github.com/repos/symfony/process/zipball/41336b20b52f5fd5b42a227e394e673c8071118f",
+                "reference": "41336b20b52f5fd5b42a227e394e673c8071118f",
                 "shasum": ""
             },
             "require": {
@@ -760,7 +760,7 @@
             ],
             "description": "Symfony Process Component",
             "homepage": "https://symfony.com",
-            "time": "2016-11-24T00:43:03+00:00"
+            "time": "2017-03-04T12:20:59+00:00"
         }
     ],
     "packages-dev": [
@@ -869,27 +869,27 @@
         },
         {
             "name": "phpspec/prophecy",
-            "version": "v1.6.2",
+            "version": "v1.7.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpspec/prophecy.git",
-                "reference": "6c52c2722f8460122f96f86346600e1077ce22cb"
+                "reference": "93d39f1f7f9326d746203c7c056f300f7f126073"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/6c52c2722f8460122f96f86346600e1077ce22cb",
-                "reference": "6c52c2722f8460122f96f86346600e1077ce22cb",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/93d39f1f7f9326d746203c7c056f300f7f126073",
+                "reference": "93d39f1f7f9326d746203c7c056f300f7f126073",
                 "shasum": ""
             },
             "require": {
                 "doctrine/instantiator": "^1.0.2",
                 "php": "^5.3|^7.0",
                 "phpdocumentor/reflection-docblock": "^2.0|^3.0.2",
-                "sebastian/comparator": "^1.1",
-                "sebastian/recursion-context": "^1.0|^2.0"
+                "sebastian/comparator": "^1.1|^2.0",
+                "sebastian/recursion-context": "^1.0|^2.0|^3.0"
             },
             "require-dev": {
-                "phpspec/phpspec": "^2.0",
+                "phpspec/phpspec": "^2.5|^3.2",
                 "phpunit/phpunit": "^4.8 || ^5.6.5"
             },
             "type": "library",
@@ -928,7 +928,7 @@
                 "spy",
                 "stub"
             ],
-            "time": "2016-11-21T14:58:47+00:00"
+            "time": "2017-03-02T20:05:34+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -1082,25 +1082,30 @@
         },
         {
             "name": "phpunit/php-timer",
-            "version": "1.0.8",
+            "version": "1.0.9",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-timer.git",
-                "reference": "38e9124049cf1a164f1e4537caf19c99bf1eb260"
+                "reference": "3dcf38ca72b158baf0bc245e9184d3fdffa9c46f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-timer/zipball/38e9124049cf1a164f1e4537caf19c99bf1eb260",
-                "reference": "38e9124049cf1a164f1e4537caf19c99bf1eb260",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-timer/zipball/3dcf38ca72b158baf0bc245e9184d3fdffa9c46f",
+                "reference": "3dcf38ca72b158baf0bc245e9184d3fdffa9c46f",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": "^5.3.3 || ^7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4|~5"
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.0"
             },
             "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0-dev"
+                }
+            },
             "autoload": {
                 "classmap": [
                     "src/"
@@ -1122,20 +1127,20 @@
             "keywords": [
                 "timer"
             ],
-            "time": "2016-05-12T18:03:57+00:00"
+            "time": "2017-02-26T11:10:40+00:00"
         },
         {
             "name": "phpunit/php-token-stream",
-            "version": "1.4.9",
+            "version": "1.4.11",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-token-stream.git",
-                "reference": "3b402f65a4cc90abf6e1104e388b896ce209631b"
+                "reference": "e03f8f67534427a787e21a385a67ec3ca6978ea7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/3b402f65a4cc90abf6e1104e388b896ce209631b",
-                "reference": "3b402f65a4cc90abf6e1104e388b896ce209631b",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/e03f8f67534427a787e21a385a67ec3ca6978ea7",
+                "reference": "e03f8f67534427a787e21a385a67ec3ca6978ea7",
                 "shasum": ""
             },
             "require": {
@@ -1171,20 +1176,20 @@
             "keywords": [
                 "tokenizer"
             ],
-            "time": "2016-11-15T14:06:22+00:00"
+            "time": "2017-02-27T10:12:30+00:00"
         },
         {
             "name": "phpunit/phpunit",
-            "version": "4.8.31",
+            "version": "4.8.35",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "98b2b39a520766bec663ff5b7ff1b729db9dbfe3"
+                "reference": "791b1a67c25af50e230f841ee7a9c6eba507dc87"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/98b2b39a520766bec663ff5b7ff1b729db9dbfe3",
-                "reference": "98b2b39a520766bec663ff5b7ff1b729db9dbfe3",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/791b1a67c25af50e230f841ee7a9c6eba507dc87",
+                "reference": "791b1a67c25af50e230f841ee7a9c6eba507dc87",
                 "shasum": ""
             },
             "require": {
@@ -1243,7 +1248,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2016-12-09T02:45:31+00:00"
+            "time": "2017-02-06T05:18:07+00:00"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
@@ -1303,16 +1308,16 @@
         },
         {
             "name": "sebastian/comparator",
-            "version": "1.2.2",
+            "version": "1.2.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/comparator.git",
-                "reference": "6a1ed12e8b2409076ab22e3897126211ff8b1f7f"
+                "reference": "2b7424b55f5047b47ac6e5ccb20b2aea4011d9be"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/6a1ed12e8b2409076ab22e3897126211ff8b1f7f",
-                "reference": "6a1ed12e8b2409076ab22e3897126211ff8b1f7f",
+                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/2b7424b55f5047b47ac6e5ccb20b2aea4011d9be",
+                "reference": "2b7424b55f5047b47ac6e5ccb20b2aea4011d9be",
                 "shasum": ""
             },
             "require": {
@@ -1363,7 +1368,7 @@
                 "compare",
                 "equality"
             ],
-            "time": "2016-11-19T09:18:40+00:00"
+            "time": "2017-01-29T09:50:25+00:00"
         },
         {
             "name": "sebastian/diff",
@@ -1675,16 +1680,16 @@
         },
         {
             "name": "symfony/yaml",
-            "version": "v2.8.15",
+            "version": "v2.8.18",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "befb26a3713c97af90d25dd12e75621ef14d91ff"
+                "reference": "2a7bab3c16f6f452c47818fdd08f3b1e49ffcf7d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/befb26a3713c97af90d25dd12e75621ef14d91ff",
-                "reference": "befb26a3713c97af90d25dd12e75621ef14d91ff",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/2a7bab3c16f6f452c47818fdd08f3b1e49ffcf7d",
+                "reference": "2a7bab3c16f6f452c47818fdd08f3b1e49ffcf7d",
                 "shasum": ""
             },
             "require": {
@@ -1720,7 +1725,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2016-11-14T16:15:57+00:00"
+            "time": "2017-03-01T18:13:50+00:00"
         }
     ],
     "aliases": [],