diff --git a/.scrutinizer.yml b/.scrutinizer.yml
index 17c1ef32..b7c52287 100644
--- a/.scrutinizer.yml
+++ b/.scrutinizer.yml
@@ -3,5 +3,5 @@ imports:
 
 tools:
     external_code_coverage:
-        runs: 5 # No Code Coverage on PHP 5.2 and HHVM
+        runs: 5 # No Code Coverage and HHVM
         timeout: 2700 # 45 minutes
diff --git a/.travis.yml b/.travis.yml
index a08b621d..fa932abe 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,7 +23,7 @@ install:
   - eval `ssh-agent -s`
   - travis/setup-secure-shell.sh
   - sh -c "if [ '$TRAVIS_PHP_VERSION' != 'hhvm' ]; then travis/install-php-extensions.sh; fi"
-  - sh -c "if [ '$TRAVIS_PHP_VERSION' != '5.2' ]; then travis/setup-composer.sh; fi"
+  - travis/setup-composer.sh
 
 script:
   - sh -c "if [ '$TRAVIS_PHP_VERSION' = '5.5' ]; then vendor/bin/phing -f build/build.xml sniff; fi"
@@ -31,4 +31,4 @@ script:
 
 after_success:
   - sh -c "if $TRAVIS_SECURE_ENV_VARS; then travis/upload-code-coverage-html.sh; fi"
-  - sh -c "if [ '$TRAVIS_PHP_VERSION' != '5.2' -a '$TRAVIS_PHP_VERSION' != 'hhvm' ]; then travis/upload-code-coverage-scrutinizer.sh; fi"
+  - sh -c "if [ '$TRAVIS_PHP_VERSION' != 'hhvm' ]; then travis/upload-code-coverage-scrutinizer.sh; fi"
diff --git a/composer.json b/composer.json
index b47cfe02..a81b0caf 100644
--- a/composer.json
+++ b/composer.json
@@ -63,10 +63,5 @@
         "psr-4": {
             "phpseclib\\": "phpseclib/"
         }
-    },
-    "extra": {
-        "branch-alias": {
-            "dev-php5": "2.0-dev"
-        }
     }
 }
diff --git a/composer.lock b/composer.lock
index 97d34796..7561de0f 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "8bfef4eaee8f139a70e6250eb9175fd6",
+    "hash": "1973a3fc1c8f678a9cd0ff646f7a8bee",
     "packages": [],
     "packages-dev": [
         {
@@ -159,16 +159,16 @@
         },
         {
             "name": "phing/phing",
-            "version": "2.9.0",
+            "version": "2.9.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phingofficial/phing.git",
-                "reference": "12af1264dd4c5b88e28ee787e829de13c5ec172e"
+                "reference": "393edeffa8a85d43636ce0c9b4deb1ff9ac60a5c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phingofficial/phing/zipball/12af1264dd4c5b88e28ee787e829de13c5ec172e",
-                "reference": "12af1264dd4c5b88e28ee787e829de13c5ec172e",
+                "url": "https://api.github.com/repos/phingofficial/phing/zipball/393edeffa8a85d43636ce0c9b4deb1ff9ac60a5c",
+                "reference": "393edeffa8a85d43636ce0c9b4deb1ff9ac60a5c",
                 "shasum": ""
             },
             "require": {
@@ -244,20 +244,128 @@
                 "task",
                 "tool"
             ],
-            "time": "2014-11-25 14:58:59"
+            "time": "2014-12-03 09:18:46"
         },
         {
-            "name": "phpunit/php-code-coverage",
-            "version": "2.0.12",
+            "name": "phpdocumentor/reflection-docblock",
+            "version": "2.0.4",
             "source": {
                 "type": "git",
-                "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "7ce9da20f96964bb7a4033f53834df13328dbeab"
+                "url": "https://github.com/phpDocumentor/ReflectionDocBlock.git",
+                "reference": "d68dbdc53dc358a816f00b300704702b2eaff7b8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/7ce9da20f96964bb7a4033f53834df13328dbeab",
-                "reference": "7ce9da20f96964bb7a4033f53834df13328dbeab",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/d68dbdc53dc358a816f00b300704702b2eaff7b8",
+                "reference": "d68dbdc53dc358a816f00b300704702b2eaff7b8",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.0"
+            },
+            "suggest": {
+                "dflydev/markdown": "~1.0",
+                "erusev/parsedown": "~1.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "phpDocumentor": [
+                        "src/"
+                    ]
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Mike van Riel",
+                    "email": "mike.vanriel@naenius.com"
+                }
+            ],
+            "time": "2015-02-03 12:10:50"
+        },
+        {
+            "name": "phpspec/prophecy",
+            "version": "v1.3.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpspec/prophecy.git",
+                "reference": "9ca52329bcdd1500de24427542577ebf3fc2f1c9"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/9ca52329bcdd1500de24427542577ebf3fc2f1c9",
+                "reference": "9ca52329bcdd1500de24427542577ebf3fc2f1c9",
+                "shasum": ""
+            },
+            "require": {
+                "doctrine/instantiator": "~1.0,>=1.0.2",
+                "phpdocumentor/reflection-docblock": "~2.0"
+            },
+            "require-dev": {
+                "phpspec/phpspec": "~2.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.2.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "Prophecy\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Konstantin Kudryashov",
+                    "email": "ever.zet@gmail.com",
+                    "homepage": "http://everzet.com"
+                },
+                {
+                    "name": "Marcello Duarte",
+                    "email": "marcello.duarte@gmail.com"
+                }
+            ],
+            "description": "Highly opinionated mocking framework for PHP 5.3+",
+            "homepage": "http://phpspec.org",
+            "keywords": [
+                "Double",
+                "Dummy",
+                "fake",
+                "mock",
+                "spy",
+                "stub"
+            ],
+            "time": "2014-11-17 16:23:49"
+        },
+        {
+            "name": "phpunit/php-code-coverage",
+            "version": "2.0.15",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
+                "reference": "34cc484af1ca149188d0d9e91412191e398e0b67"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/34cc484af1ca149188d0d9e91412191e398e0b67",
+                "reference": "34cc484af1ca149188d0d9e91412191e398e0b67",
                 "shasum": ""
             },
             "require": {
@@ -270,7 +378,7 @@
             },
             "require-dev": {
                 "ext-xdebug": ">=2.1.4",
-                "phpunit/phpunit": "~4.1"
+                "phpunit/phpunit": "~4"
             },
             "suggest": {
                 "ext-dom": "*",
@@ -289,9 +397,6 @@
                 ]
             },
             "notification-url": "https://packagist.org/downloads/",
-            "include-path": [
-                ""
-            ],
             "license": [
                 "BSD-3-Clause"
             ],
@@ -309,7 +414,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2014-12-02 13:17:01"
+            "time": "2015-01-24 10:06:35"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -446,16 +551,16 @@
         },
         {
             "name": "phpunit/php-token-stream",
-            "version": "1.3.0",
+            "version": "1.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-token-stream.git",
-                "reference": "f8d5d08c56de5cfd592b3340424a81733259a876"
+                "reference": "db32c18eba00b121c145575fcbcd4d4d24e6db74"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/f8d5d08c56de5cfd592b3340424a81733259a876",
-                "reference": "f8d5d08c56de5cfd592b3340424a81733259a876",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/db32c18eba00b121c145575fcbcd4d4d24e6db74",
+                "reference": "db32c18eba00b121c145575fcbcd4d4d24e6db74",
                 "shasum": ""
             },
             "require": {
@@ -468,7 +573,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.3-dev"
+                    "dev-master": "1.4-dev"
                 }
             },
             "autoload": {
@@ -491,20 +596,20 @@
             "keywords": [
                 "tokenizer"
             ],
-            "time": "2014-08-31 06:12:13"
+            "time": "2015-01-17 09:51:32"
         },
         {
             "name": "phpunit/phpunit",
-            "version": "4.3.5",
+            "version": "4.5.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "2dab9d593997db4abcf58d0daf798eb4e9cecfe1"
+                "reference": "5b578d3865a9128b9c209b011fda6539ec06e7a5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/2dab9d593997db4abcf58d0daf798eb4e9cecfe1",
-                "reference": "2dab9d593997db4abcf58d0daf798eb4e9cecfe1",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/5b578d3865a9128b9c209b011fda6539ec06e7a5",
+                "reference": "5b578d3865a9128b9c209b011fda6539ec06e7a5",
                 "shasum": ""
             },
             "require": {
@@ -514,15 +619,17 @@
                 "ext-reflection": "*",
                 "ext-spl": "*",
                 "php": ">=5.3.3",
+                "phpspec/prophecy": "~1.3.1",
                 "phpunit/php-code-coverage": "~2.0",
                 "phpunit/php-file-iterator": "~1.3.2",
                 "phpunit/php-text-template": "~1.2",
                 "phpunit/php-timer": "~1.0.2",
                 "phpunit/phpunit-mock-objects": "~2.3",
-                "sebastian/comparator": "~1.0",
+                "sebastian/comparator": "~1.1",
                 "sebastian/diff": "~1.1",
-                "sebastian/environment": "~1.0",
-                "sebastian/exporter": "~1.0",
+                "sebastian/environment": "~1.2",
+                "sebastian/exporter": "~1.2",
+                "sebastian/global-state": "~1.0",
                 "sebastian/version": "~1.0",
                 "symfony/yaml": "~2.0"
             },
@@ -535,7 +642,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.3.x-dev"
+                    "dev-master": "4.5.x-dev"
                 }
             },
             "autoload": {
@@ -544,10 +651,6 @@
                 ]
             },
             "notification-url": "https://packagist.org/downloads/",
-            "include-path": [
-                "",
-                "../../symfony/yaml/"
-            ],
             "license": [
                 "BSD-3-Clause"
             ],
@@ -559,13 +662,13 @@
                 }
             ],
             "description": "The PHP Unit Testing framework.",
-            "homepage": "http://www.phpunit.de/",
+            "homepage": "https://phpunit.de/",
             "keywords": [
                 "phpunit",
                 "testing",
                 "xunit"
             ],
-            "time": "2014-11-11 10:11:09"
+            "time": "2015-02-05 15:51:19"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
@@ -727,30 +830,30 @@
         },
         {
             "name": "sebastian/comparator",
-            "version": "1.0.1",
+            "version": "1.1.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/comparator.git",
-                "reference": "e54a01c0da1b87db3c5a3c4c5277ddf331da4aef"
+                "reference": "1dd8869519a225f7f2b9eb663e225298fade819e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/e54a01c0da1b87db3c5a3c4c5277ddf331da4aef",
-                "reference": "e54a01c0da1b87db3c5a3c4c5277ddf331da4aef",
+                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/1dd8869519a225f7f2b9eb663e225298fade819e",
+                "reference": "1dd8869519a225f7f2b9eb663e225298fade819e",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3",
-                "sebastian/diff": "~1.1",
-                "sebastian/exporter": "~1.0"
+                "sebastian/diff": "~1.2",
+                "sebastian/exporter": "~1.2"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.1"
+                "phpunit/phpunit": "~4.4"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0.x-dev"
+                    "dev-master": "1.1.x-dev"
                 }
             },
             "autoload": {
@@ -787,7 +890,7 @@
                 "compare",
                 "equality"
             ],
-            "time": "2014-05-11 23:00:21"
+            "time": "2015-01-29 16:28:08"
         },
         {
             "name": "sebastian/diff",
@@ -893,28 +996,29 @@
         },
         {
             "name": "sebastian/exporter",
-            "version": "1.0.2",
+            "version": "1.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/exporter.git",
-                "reference": "c7d59948d6e82818e1bdff7cadb6c34710eb7dc0"
+                "reference": "84839970d05254c73cde183a721c7af13aede943"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/c7d59948d6e82818e1bdff7cadb6c34710eb7dc0",
-                "reference": "c7d59948d6e82818e1bdff7cadb6c34710eb7dc0",
+                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/84839970d05254c73cde183a721c7af13aede943",
+                "reference": "84839970d05254c73cde183a721c7af13aede943",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": ">=5.3.3",
+                "sebastian/recursion-context": "~1.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.0"
+                "phpunit/phpunit": "~4.4"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0.x-dev"
+                    "dev-master": "1.2.x-dev"
                 }
             },
             "autoload": {
@@ -954,20 +1058,124 @@
                 "export",
                 "exporter"
             ],
-            "time": "2014-09-10 00:51:36"
+            "time": "2015-01-27 07:23:06"
         },
         {
-            "name": "sebastian/version",
-            "version": "1.0.3",
+            "name": "sebastian/global-state",
+            "version": "1.0.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/sebastianbergmann/version.git",
-                "reference": "b6e1f0cf6b9e1ec409a0d3e2f2a5fb0998e36b43"
+                "url": "https://github.com/sebastianbergmann/global-state.git",
+                "reference": "c7428acdb62ece0a45e6306f1ae85e1c05b09c01"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/version/zipball/b6e1f0cf6b9e1ec409a0d3e2f2a5fb0998e36b43",
-                "reference": "b6e1f0cf6b9e1ec409a0d3e2f2a5fb0998e36b43",
+                "url": "https://api.github.com/repos/sebastianbergmann/global-state/zipball/c7428acdb62ece0a45e6306f1ae85e1c05b09c01",
+                "reference": "c7428acdb62ece0a45e6306f1ae85e1c05b09c01",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.2"
+            },
+            "suggest": {
+                "ext-uopz": "*"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Snapshotting of global state",
+            "homepage": "http://www.github.com/sebastianbergmann/global-state",
+            "keywords": [
+                "global state"
+            ],
+            "time": "2014-10-06 09:23:50"
+        },
+        {
+            "name": "sebastian/recursion-context",
+            "version": "1.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/recursion-context.git",
+                "reference": "3989662bbb30a29d20d9faa04a846af79b276252"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/3989662bbb30a29d20d9faa04a846af79b276252",
+                "reference": "3989662bbb30a29d20d9faa04a846af79b276252",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.4"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Jeff Welch",
+                    "email": "whatthejeff@gmail.com"
+                },
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                },
+                {
+                    "name": "Adam Harvey",
+                    "email": "aharvey@php.net"
+                }
+            ],
+            "description": "Provides functionality to recursively process PHP variables",
+            "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
+            "time": "2015-01-24 09:48:32"
+        },
+        {
+            "name": "sebastian/version",
+            "version": "1.0.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/version.git",
+                "reference": "a77d9123f8e809db3fbdea15038c27a95da4058b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/version/zipball/a77d9123f8e809db3fbdea15038c27a95da4058b",
+                "reference": "a77d9123f8e809db3fbdea15038c27a95da4058b",
                 "shasum": ""
             },
             "type": "library",
@@ -989,7 +1197,7 @@
             ],
             "description": "Library that helps with managing the version number of Git-hosted PHP projects",
             "homepage": "https://github.com/sebastianbergmann/version",
-            "time": "2014-03-07 15:35:33"
+            "time": "2014-12-15 14:25:24"
         },
         {
             "name": "squizlabs/php_codesniffer",
@@ -1068,17 +1276,17 @@
         },
         {
             "name": "symfony/console",
-            "version": "v2.6.0",
+            "version": "v2.6.4",
             "target-dir": "Symfony/Component/Console",
             "source": {
                 "type": "git",
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