Don't drop PHP7.0 compatibility for dev yet.

There is no need yet to drop PHP7.0 compatibility for running tests in
TravisCI.
The next PHPUnit release in Feb 2018 will drop PHP7.0, but current
version with PHP7.0 will be supported until 2019.

1 files changed, 136 insertions, 77 deletions

diff --git a/composer.lock b/composer.lock
index e2703afdd..ea76e9d6e 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1368,32 +1368,32 @@
         },
         {
             "name": "doctrine/instantiator",
-            "version": "1.1.0",
+            "version": "1.0.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/instantiator.git",
-                "reference": "185b8868aa9bf7159f5f953ed5afb2d7fcdc3bda"
+                "reference": "8e884e78f9f0eb1329e445619e04456e64d8051d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/185b8868aa9bf7159f5f953ed5afb2d7fcdc3bda",
-                "reference": "185b8868aa9bf7159f5f953ed5afb2d7fcdc3bda",
+                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/8e884e78f9f0eb1329e445619e04456e64d8051d",
+                "reference": "8e884e78f9f0eb1329e445619e04456e64d8051d",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1"
+                "php": ">=5.3,<8.0-DEV"
             },
             "require-dev": {
                 "athletic/athletic": "~0.1.8",
                 "ext-pdo": "*",
                 "ext-phar": "*",
-                "phpunit/phpunit": "^6.2.3",
-                "squizlabs/php_codesniffer": "^3.0.2"
+                "phpunit/phpunit": "~4.0",
+                "squizlabs/php_codesniffer": "~2.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.2.x-dev"
+                    "dev-master": "1.0.x-dev"
                 }
             },
             "autoload": {
@@ -1418,7 +1418,7 @@
                 "constructor",
                 "instantiate"
             ],
-            "time": "2017-07-22T11:58:36+00:00"
+            "time": "2015-06-14T21:17:01+00:00"
         },
         {
             "name": "fabpot/goutte",
@@ -3400,28 +3400,30 @@
         },
         {
             "name": "symfony/config",
-            "version": "v4.0.2",
+            "version": "v3.4.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/config.git",
-                "reference": "0356e6d5298e9e72212c0bad65c2f1b49e42d622"
+                "reference": "e57211b88aa889fefac1cb36866db04100b0f21c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/config/zipball/0356e6d5298e9e72212c0bad65c2f1b49e42d622",
-                "reference": "0356e6d5298e9e72212c0bad65c2f1b49e42d622",
+                "url": "https://api.github.com/repos/symfony/config/zipball/e57211b88aa889fefac1cb36866db04100b0f21c",
+                "reference": "e57211b88aa889fefac1cb36866db04100b0f21c",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1.3",
-                "symfony/filesystem": "~3.4|~4.0"
+                "php": "^5.5.9|>=7.0.8",
+                "symfony/filesystem": "~2.8|~3.0|~4.0"
             },
             "conflict": {
-                "symfony/finder": "<3.4"
+                "symfony/dependency-injection": "<3.3",
+                "symfony/finder": "<3.3"
             },
             "require-dev": {
-                "symfony/finder": "~3.4|~4.0",
-                "symfony/yaml": "~3.4|~4.0"
+                "symfony/dependency-injection": "~3.3|~4.0",
+                "symfony/finder": "~3.3|~4.0",
+                "symfony/yaml": "~3.0|~4.0"
             },
             "suggest": {
                 "symfony/yaml": "To use the yaml reference dumper"
@@ -3429,7 +3431,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.0-dev"
+                    "dev-master": "3.4-dev"
                 }
             },
             "autoload": {
@@ -3456,24 +3458,25 @@
             ],
             "description": "Symfony Config Component",
             "homepage": "https://symfony.com",
-            "time": "2017-12-14T19:48:22+00:00"
+            "time": "2017-12-14T19:40:10+00:00"
         },
         {
             "name": "symfony/console",
-            "version": "v4.0.2",
+            "version": "v3.4.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/console.git",
-                "reference": "de8cf039eacdec59d83f7def67e3b8ff5ed46714"
+                "reference": "9f21adfb92a9315b73ae2ed43138988ee4913d4e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/console/zipball/de8cf039eacdec59d83f7def67e3b8ff5ed46714",
-                "reference": "de8cf039eacdec59d83f7def67e3b8ff5ed46714",
+                "url": "https://api.github.com/repos/symfony/console/zipball/9f21adfb92a9315b73ae2ed43138988ee4913d4e",
+                "reference": "9f21adfb92a9315b73ae2ed43138988ee4913d4e",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1.3",
+                "php": "^5.5.9|>=7.0.8",
+                "symfony/debug": "~2.8|~3.0|~4.0",
                 "symfony/polyfill-mbstring": "~1.0"
             },
             "conflict": {
@@ -3482,11 +3485,11 @@
             },
             "require-dev": {
                 "psr/log": "~1.0",
-                "symfony/config": "~3.4|~4.0",
+                "symfony/config": "~3.3|~4.0",
                 "symfony/dependency-injection": "~3.4|~4.0",
-                "symfony/event-dispatcher": "~3.4|~4.0",
+                "symfony/event-dispatcher": "~2.8|~3.0|~4.0",
                 "symfony/lock": "~3.4|~4.0",
-                "symfony/process": "~3.4|~4.0"
+                "symfony/process": "~3.3|~4.0"
             },
             "suggest": {
                 "psr/log": "For using the console logger",
@@ -3497,7 +3500,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.0-dev"
+                    "dev-master": "3.4-dev"
                 }
             },
             "autoload": {
@@ -3524,7 +3527,7 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2017-12-14T19:48:22+00:00"
+            "time": "2017-12-14T19:40:10+00:00"
         },
         {
             "name": "symfony/css-selector",
@@ -3580,26 +3583,82 @@
             "time": "2017-12-14T19:40:10+00:00"
         },
         {
+            "name": "symfony/debug",
+            "version": "v3.4.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/debug.git",
+                "reference": "543deab3ffff94402440b326fc94153bae2dfa7a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/debug/zipball/543deab3ffff94402440b326fc94153bae2dfa7a",
+                "reference": "543deab3ffff94402440b326fc94153bae2dfa7a",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5.9|>=7.0.8",
+                "psr/log": "~1.0"
+            },
+            "conflict": {
+                "symfony/http-kernel": ">=2.3,<2.3.24|~2.4.0|>=2.5,<2.5.9|>=2.6,<2.6.2"
+            },
+            "require-dev": {
+                "symfony/http-kernel": "~2.8|~3.0|~4.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Debug\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Debug Component",
+            "homepage": "https://symfony.com",
+            "time": "2017-12-12T08:27:14+00:00"
+        },
+        {
             "name": "symfony/dependency-injection",
-            "version": "v4.0.2",
+            "version": "v3.4.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/dependency-injection.git",
-                "reference": "d2fa088b5fd7d429974a36bf1a9846b912d9d124"
+                "reference": "5f81907ea43bfa971ac2c7fbac593ebe7cd7d333"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/dependency-injection/zipball/d2fa088b5fd7d429974a36bf1a9846b912d9d124",
-                "reference": "d2fa088b5fd7d429974a36bf1a9846b912d9d124",
+                "url": "https://api.github.com/repos/symfony/dependency-injection/zipball/5f81907ea43bfa971ac2c7fbac593ebe7cd7d333",
+                "reference": "5f81907ea43bfa971ac2c7fbac593ebe7cd7d333",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1.3",
+                "php": "^5.5.9|>=7.0.8",
                 "psr/container": "^1.0"
             },
             "conflict": {
-                "symfony/config": "<3.4",
-                "symfony/finder": "<3.4",
+                "symfony/config": "<3.3.7",
+                "symfony/finder": "<3.3",
                 "symfony/proxy-manager-bridge": "<3.4",
                 "symfony/yaml": "<3.4"
             },
@@ -3607,8 +3666,8 @@
                 "psr/container-implementation": "1.0"
             },
             "require-dev": {
-                "symfony/config": "~3.4|~4.0",
-                "symfony/expression-language": "~3.4|~4.0",
+                "symfony/config": "~3.3|~4.0",
+                "symfony/expression-language": "~2.8|~3.0|~4.0",
                 "symfony/yaml": "~3.4|~4.0"
             },
             "suggest": {
@@ -3621,7 +3680,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.0-dev"
+                    "dev-master": "3.4-dev"
                 }
             },
             "autoload": {
@@ -3648,7 +3707,7 @@
             ],
             "description": "Symfony DependencyInjection Component",
             "homepage": "https://symfony.com",
-            "time": "2017-12-14T19:48:22+00:00"
+            "time": "2017-12-14T19:40:10+00:00"
         },
         {
             "name": "symfony/dom-crawler",
@@ -3708,30 +3767,30 @@
         },
         {
             "name": "symfony/event-dispatcher",
-            "version": "v4.0.2",
+            "version": "v3.4.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/event-dispatcher.git",
-                "reference": "d4face19ed8002eec8280bc1c5ec18130472bf43"
+                "reference": "b869cbf8a15ca6261689de2c28a7d7f2d0706835"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/event-dispatcher/zipball/d4face19ed8002eec8280bc1c5ec18130472bf43",
-                "reference": "d4face19ed8002eec8280bc1c5ec18130472bf43",
+                "url": "https://api.github.com/repos/symfony/event-dispatcher/zipball/b869cbf8a15ca6261689de2c28a7d7f2d0706835",
+                "reference": "b869cbf8a15ca6261689de2c28a7d7f2d0706835",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1.3"
+                "php": "^5.5.9|>=7.0.8"
             },
             "conflict": {
-                "symfony/dependency-injection": "<3.4"
+                "symfony/dependency-injection": "<3.3"
             },
             "require-dev": {
                 "psr/log": "~1.0",
-                "symfony/config": "~3.4|~4.0",
-                "symfony/dependency-injection": "~3.4|~4.0",
-                "symfony/expression-language": "~3.4|~4.0",
-                "symfony/stopwatch": "~3.4|~4.0"
+                "symfony/config": "~2.8|~3.0|~4.0",
+                "symfony/dependency-injection": "~3.3|~4.0",
+                "symfony/expression-language": "~2.8|~3.0|~4.0",
+                "symfony/stopwatch": "~2.8|~3.0|~4.0"
             },
             "suggest": {
                 "symfony/dependency-injection": "",
@@ -3740,7 +3799,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.0-dev"
+                    "dev-master": "3.4-dev"
                 }
             },
             "autoload": {
@@ -3767,29 +3826,29 @@
             ],
             "description": "Symfony EventDispatcher Component",
             "homepage": "https://symfony.com",
-            "time": "2017-12-14T19:48:22+00:00"
+            "time": "2017-12-14T19:40:10+00:00"
         },
         {
             "name": "symfony/filesystem",
-            "version": "v4.0.2",
+            "version": "v3.4.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/filesystem.git",
-                "reference": "8c2868641d0c4885eee9c12a89c2b695eb1985cd"
+                "reference": "25b135bea251829e3db6a77d773643408b575ed4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/filesystem/zipball/8c2868641d0c4885eee9c12a89c2b695eb1985cd",
-                "reference": "8c2868641d0c4885eee9c12a89c2b695eb1985cd",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/25b135bea251829e3db6a77d773643408b575ed4",
+                "reference": "25b135bea251829e3db6a77d773643408b575ed4",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1.3"
+                "php": "^5.5.9|>=7.0.8"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.0-dev"
+                    "dev-master": "3.4-dev"
                 }
             },
             "autoload": {
@@ -3816,7 +3875,7 @@
             ],
             "description": "Symfony Filesystem Component",
             "homepage": "https://symfony.com",
-            "time": "2017-12-14T19:48:22+00:00"
+            "time": "2017-12-14T19:40:10+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
@@ -3879,33 +3938,33 @@
         },
         {
             "name": "symfony/translation",
-            "version": "v4.0.2",
+            "version": "v3.4.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/translation.git",
-                "reference": "e2678768d2fcb7fe3d8108392626de1ece575634"
+                "reference": "4c5d5582baf2829751a5207659329c1f52eedeb6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/translation/zipball/e2678768d2fcb7fe3d8108392626de1ece575634",
-                "reference": "e2678768d2fcb7fe3d8108392626de1ece575634",
+                "url": "https://api.github.com/repos/symfony/translation/zipball/4c5d5582baf2829751a5207659329c1f52eedeb6",
+                "reference": "4c5d5582baf2829751a5207659329c1f52eedeb6",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1.3",
+                "php": "^5.5.9|>=7.0.8",
                 "symfony/polyfill-mbstring": "~1.0"
             },
             "conflict": {
-                "symfony/config": "<3.4",
+                "symfony/config": "<2.8",
                 "symfony/dependency-injection": "<3.4",
                 "symfony/yaml": "<3.4"
             },
             "require-dev": {
                 "psr/log": "~1.0",
-                "symfony/config": "~3.4|~4.0",
+                "symfony/config": "~2.8|~3.0|~4.0",
                 "symfony/dependency-injection": "~3.4|~4.0",
                 "symfony/finder": "~2.8|~3.0|~4.0",
-                "symfony/intl": "~3.4|~4.0",
+                "symfony/intl": "^2.8.18|^3.2.5|~4.0",
                 "symfony/yaml": "~3.4|~4.0"
             },
             "suggest": {
@@ -3916,7 +3975,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.0-dev"
+                    "dev-master": "3.4-dev"
                 }
             },
             "autoload": {
@@ -3943,24 +4002,24 @@
             ],
             "description": "Symfony Translation Component",
             "homepage": "https://symfony.com",
-            "time": "2017-12-12T08:41:51+00:00"
+            "time": "2017-12-12T08:27:14+00:00"
         },
         {
             "name": "symfony/yaml",
-            "version": "v4.0.2",
+            "version": "v3.4.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "a5ee52d155f06ad23b19eb63c31228ff56ad1116"
+                "reference": "afe0cd38486505c9703707707d91450cfc1bd536"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/a5ee52d155f06ad23b19eb63c31228ff56ad1116",
-                "reference": "a5ee52d155f06ad23b19eb63c31228ff56ad1116",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/afe0cd38486505c9703707707d91450cfc1bd536",
+                "reference": "afe0cd38486505c9703707707d91450cfc1bd536",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1.3"
+                "php": "^5.5.9|>=7.0.8"
             },
             "conflict": {
                 "symfony/console": "<3.4"
@@ -3974,7 +4033,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.0-dev"
+                    "dev-master": "3.4-dev"
                 }
             },
             "autoload": {
@@ -4001,7 +4060,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2017-12-12T08:41:51+00:00"
+            "time": "2017-12-11T20:38:23+00:00"
         },
         {
             "name": "theseer/tokenizer",