diff --git a/.gitignore b/.gitignore
index afb46966..8e2bd837 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@ documentation/
 tests/coverage
 arsse.db*
 config.php
+.php_cs.cache
 
 # Windows image file caches
 Thumbs.db
diff --git a/README.md b/README.md
index a0e42fea..b1fb349f 100644
--- a/README.md
+++ b/README.md
@@ -61,7 +61,7 @@ php ./arsse.php conf save-defaults "./config.defaults.php"
 
 ## License
 
-Arsse is made available under the permissive MIT license.  See the LICENSE file included with the distribution or source code for exact legal text. Dependencies included in the distribution may be governed by other licenses.
+Arsse is made available under the permissive MIT license.  See the `LICENSE` file included with the distribution or source code for exact legal text. Dependencies included in the distribution may be governed by other licenses.
 
 ## Contributing
 
diff --git a/composer.json b/composer.json
index 027b63ca..8d9d4159 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,8 @@
         "webmozart/glob": "^4.1",
         "phake/phake": "^3.0",
         "phpunit/phpunit": "^6.0",
-        "phpdocumentor/phpdocumentor": "2.*"
+        "phpdocumentor/phpdocumentor": "2.*",
+        "friendsofphp/php-cs-fixer": "^2.2"
     },
     "autoload": {
         "psr-4": {
diff --git a/composer.lock b/composer.lock
index 6a219860..c53e8e2d 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": "9b78e0506c2f21f63849711a86b275cb",
+    "content-hash": "e88d0251a6e3bb59201889ef6a86acfb",
     "packages": [
         {
             "name": "docopt/docopt",
@@ -559,6 +559,134 @@
             ],
             "time": "2017-05-14T14:47:48+00:00"
         },
+        {
+            "name": "friendsofphp/php-cs-fixer",
+            "version": "v2.2.6",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/FriendsOfPHP/PHP-CS-Fixer.git",
+                "reference": "c1cc52c242f17c4d52d9601159631da488fac7a4"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/FriendsOfPHP/PHP-CS-Fixer/zipball/c1cc52c242f17c4d52d9601159631da488fac7a4",
+                "reference": "c1cc52c242f17c4d52d9601159631da488fac7a4",
+                "shasum": ""
+            },
+            "require": {
+                "doctrine/annotations": "^1.2",
+                "ext-json": "*",
+                "ext-tokenizer": "*",
+                "gecko-packages/gecko-php-unit": "^2.0",
+                "php": "^5.3.6 || >=7.0 <7.2",
+                "sebastian/diff": "^1.4",
+                "symfony/console": "^2.4 || ^3.0",
+                "symfony/event-dispatcher": "^2.1 || ^3.0",
+                "symfony/filesystem": "^2.4 || ^3.0",
+                "symfony/finder": "^2.2 || ^3.0",
+                "symfony/options-resolver": "^2.6 || ^3.0",
+                "symfony/polyfill-php54": "^1.0",
+                "symfony/polyfill-php55": "^1.3",
+                "symfony/polyfill-php70": "^1.0",
+                "symfony/polyfill-php72": "^1.4",
+                "symfony/process": "^2.3 || ^3.0",
+                "symfony/stopwatch": "^2.5 || ^3.0"
+            },
+            "conflict": {
+                "hhvm": "<3.18"
+            },
+            "require-dev": {
+                "johnkary/phpunit-speedtrap": "^1.0.1",
+                "justinrainbow/json-schema": "^5.0",
+                "phpunit/phpunit": "^4.8.35 || ^5.4.3",
+                "satooshi/php-coveralls": "^1.0",
+                "symfony/phpunit-bridge": "^3.2.2"
+            },
+            "suggest": {
+                "ext-mbstring": "For handling non-UTF8 characters in cache signature.",
+                "symfony/polyfill-mbstring": "When enabling `ext-mbstring` is not possible."
+            },
+            "bin": [
+                "php-cs-fixer"
+            ],
+            "type": "application",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.2-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "PhpCsFixer\\": "src/"
+                },
+                "classmap": [
+                    "tests/Test/AbstractFixerTestCase.php",
+                    "tests/Test/AbstractIntegrationTestCase.php",
+                    "tests/Test/IntegrationCase.php",
+                    "tests/Test/IntegrationCaseFactory.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Dariusz Rumiński",
+                    "email": "dariusz.ruminski@gmail.com"
+                },
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                }
+            ],
+            "description": "A tool to automatically fix PHP code style",
+            "time": "2017-08-22T14:08:16+00:00"
+        },
+        {
+            "name": "gecko-packages/gecko-php-unit",
+            "version": "v2.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/GeckoPackages/GeckoPHPUnit.git",
+                "reference": "ab525fac9a9ffea219687f261b02008b18ebf2d1"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/GeckoPackages/GeckoPHPUnit/zipball/ab525fac9a9ffea219687f261b02008b18ebf2d1",
+                "reference": "ab525fac9a9ffea219687f261b02008b18ebf2d1",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.3.6 || ^7.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35 || ^5.4.3"
+            },
+            "suggest": {
+                "ext-dom": "When testing with xml.",
+                "ext-libxml": "When testing with xml.",
+                "phpunit/phpunit": "This is an extension for it so make sure you have it some way."
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "GeckoPackages\\PHPUnit\\": "src/PHPUnit"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "Additional PHPUnit asserts and constraints.",
+            "homepage": "https://github.com/GeckoPackages",
+            "keywords": [
+                "extension",
+                "filesystem",
+                "phpunit"
+            ],
+            "time": "2017-08-23T07:39:54+00:00"
+        },
         {
             "name": "herrera-io/json",
             "version": "1.0.3",
@@ -678,6 +806,48 @@
             "abandoned": true,
             "time": "2013-10-30T17:23:01+00:00"
         },
+        {
+            "name": "ircmaxell/password-compat",
+            "version": "v1.0.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/ircmaxell/password_compat.git",
+                "reference": "5c5cde8822a69545767f7c7f3058cb15ff84614c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/ircmaxell/password_compat/zipball/5c5cde8822a69545767f7c7f3058cb15ff84614c",
+                "reference": "5c5cde8822a69545767f7c7f3058cb15ff84614c",
+                "shasum": ""
+            },
+            "require-dev": {
+                "phpunit/phpunit": "4.*"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "lib/password.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Anthony Ferrara",
+                    "email": "ircmaxell@php.net",
+                    "homepage": "http://blog.ircmaxell.com"
+                }
+            ],
+            "description": "A compatibility library for the proposed simplified password hashing algorithm: https://wiki.php.net/rfc/password_hash",
+            "homepage": "https://github.com/ircmaxell/password_compat",
+            "keywords": [
+                "hashing",
+                "password"
+            ],
+            "time": "2014-11-20T16:49:30+00:00"
+        },
         {
             "name": "jms/metadata",
             "version": "1.6.0",
@@ -958,16 +1128,16 @@
         },
         {
             "name": "mikey179/vfsStream",
-            "version": "v1.6.4",
+            "version": "v1.6.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/mikey179/vfsStream.git",
-                "reference": "0247f57b2245e8ad2e689d7cee754b45fbabd592"
+                "reference": "d5fec95f541d4d71c4823bb5e30cf9b9e5b96145"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/mikey179/vfsStream/zipball/0247f57b2245e8ad2e689d7cee754b45fbabd592",
-                "reference": "0247f57b2245e8ad2e689d7cee754b45fbabd592",
+                "url": "https://api.github.com/repos/mikey179/vfsStream/zipball/d5fec95f541d4d71c4823bb5e30cf9b9e5b96145",
+                "reference": "d5fec95f541d4d71c4823bb5e30cf9b9e5b96145",
                 "shasum": ""
             },
             "require": {
@@ -1000,7 +1170,7 @@
             ],
             "description": "Virtual file system to mock the real file system in unit tests.",
             "homepage": "http://vfs.bovigo.org/",
-            "time": "2016-07-18T14:02:57+00:00"
+            "time": "2017-08-01T08:02:14+00:00"
         },
         {
             "name": "monolog/monolog",
@@ -1167,6 +1337,54 @@
             ],
             "time": "2015-09-19T14:15:08+00:00"
         },
+        {
+            "name": "paragonie/random_compat",
+            "version": "v2.0.10",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/paragonie/random_compat.git",
+                "reference": "634bae8e911eefa89c1abfbf1b66da679ac8f54d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/paragonie/random_compat/zipball/634bae8e911eefa89c1abfbf1b66da679ac8f54d",
+                "reference": "634bae8e911eefa89c1abfbf1b66da679ac8f54d",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.2.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "4.*|5.*"
+            },
+            "suggest": {
+                "ext-libsodium": "Provides a modern crypto API that can be used to generate random bytes."
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "lib/random.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Paragon Initiative Enterprises",
+                    "email": "security@paragonie.com",
+                    "homepage": "https://paragonie.com"
+                }
+            ],
+            "description": "PHP 5.x polyfill for random_bytes() and random_int() from PHP 7",
+            "keywords": [
+                "csprng",
+                "pseudorandom",
+                "random"
+            ],
+            "time": "2017-03-13T16:27:32+00:00"
+        },
         {
             "name": "phake/phake",
             "version": "v3.0.0",
@@ -1766,28 +1984,28 @@
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "5.2.1",
+            "version": "5.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "dc421f9ca5082a0c0cb04afb171c765f79add85b"
+                "reference": "8ed1902a57849e117b5651fc1a5c48110946c06b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/dc421f9ca5082a0c0cb04afb171c765f79add85b",
-                "reference": "dc421f9ca5082a0c0cb04afb171c765f79add85b",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/8ed1902a57849e117b5651fc1a5c48110946c06b",
+                "reference": "8ed1902a57849e117b5651fc1a5c48110946c06b",
                 "shasum": ""
             },
             "require": {
                 "ext-dom": "*",
                 "ext-xmlwriter": "*",
                 "php": "^7.0",
-                "phpunit/php-file-iterator": "^1.3",
-                "phpunit/php-text-template": "^1.2",
+                "phpunit/php-file-iterator": "^1.4.2",
+                "phpunit/php-text-template": "^1.2.1",
                 "phpunit/php-token-stream": "^1.4.11 || ^2.0",
-                "sebastian/code-unit-reverse-lookup": "^1.0",
+                "sebastian/code-unit-reverse-lookup": "^1.0.1",
                 "sebastian/environment": "^3.0",
-                "sebastian/version": "^2.0",
+                "sebastian/version": "^2.0.1",
                 "theseer/tokenizer": "^1.1"
             },
             "require-dev": {
@@ -1795,7 +2013,7 @@
                 "phpunit/phpunit": "^6.0"
             },
             "suggest": {
-                "ext-xdebug": "^2.5.3"
+                "ext-xdebug": "^2.5.5"
             },
             "type": "library",
             "extra": {
@@ -1826,7 +2044,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2017-04-21T08:03:57+00:00"
+            "time": "2017-08-03T12:40:43+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -1967,29 +2185,29 @@
         },
         {
             "name": "phpunit/php-token-stream",
-            "version": "1.4.11",
+            "version": "2.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-token-stream.git",
-                "reference": "e03f8f67534427a787e21a385a67ec3ca6978ea7"
+                "reference": "9a02332089ac48e704c70f6cefed30c224e3c0b0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/e03f8f67534427a787e21a385a67ec3ca6978ea7",
-                "reference": "e03f8f67534427a787e21a385a67ec3ca6978ea7",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/9a02332089ac48e704c70f6cefed30c224e3c0b0",
+                "reference": "9a02332089ac48e704c70f6cefed30c224e3c0b0",
                 "shasum": ""
             },
             "require": {
                 "ext-tokenizer": "*",
-                "php": ">=5.3.3"
+                "php": "^7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.2"
+                "phpunit/phpunit": "^6.2.4"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.4-dev"
+                    "dev-master": "2.0-dev"
                 }
             },
             "autoload": {
@@ -2012,20 +2230,20 @@
             "keywords": [
                 "tokenizer"
             ],
-            "time": "2017-02-27T10:12:30+00:00"
+            "time": "2017-08-20T05:47:52+00:00"
         },
         {
             "name": "phpunit/phpunit",
-            "version": "6.2.3",
+            "version": "6.2.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "fa5711d0559fc4b64deba0702be52d41434cbcb7"
+                "reference": "ff3a76a58ac293657808aefd58c8aaf05945f4d9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/fa5711d0559fc4b64deba0702be52d41434cbcb7",
-                "reference": "fa5711d0559fc4b64deba0702be52d41434cbcb7",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/ff3a76a58ac293657808aefd58c8aaf05945f4d9",
+                "reference": "ff3a76a58ac293657808aefd58c8aaf05945f4d9",
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             },
             "require": {
@@ -2045,7 +2263,7 @@
                 "phpunit/php-timer": "^1.0.6",
                 "phpunit/phpunit-mock-objects": "^4.0",
                 "sebastian/comparator": "^2.0",
-                "sebastian/diff": "^1.4.3 || ^2.0",
+                "sebastian/diff": "^1.4.3",
                 "sebastian/environment": "^3.0.2",
                 "sebastian/exporter": "^3.1",
                 "sebastian/global-state": "^1.1 || ^2.0",
@@ -2096,26 +2314,26 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2017-07-03T15:54:24+00:00"
+            "time": "2017-08-03T13:59:28+00:00"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
-            "version": "4.0.2",
+            "version": "4.0.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit-mock-objects.git",
-                "reference": "d8833b396dce9162bb2eb5d59aee5a3ab3cfa5b4"
+                "reference": "2f789b59ab89669015ad984afa350c4ec577ade0"
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             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/d8833b396dce9162bb2eb5d59aee5a3ab3cfa5b4",
-                "reference": "d8833b396dce9162bb2eb5d59aee5a3ab3cfa5b4",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/2f789b59ab89669015ad984afa350c4ec577ade0",
+                "reference": "2f789b59ab89669015ad984afa350c4ec577ade0",
                 "shasum": ""
             },
             "require": {
-                "doctrine/instantiator": "^1.0.2",
+                "doctrine/instantiator": "^1.0.5",
                 "php": "^7.0",
-                "phpunit/php-text-template": "^1.2",
+                "phpunit/php-text-template": "^1.2.1",
                 "sebastian/exporter": "^3.0"
             },
             "conflict": {
@@ -2155,7 +2373,7 @@
                 "mock",
                 "xunit"
             ],
-            "time": "2017-06-30T08:15:21+00:00"
+            "time": "2017-08-03T14:08:16+00:00"
         },
         {
             "name": "pimple/pimple",
@@ -2630,21 +2848,21 @@
         },
         {
             "name": "sebastian/object-enumerator",
-            "version": "3.0.2",
+            "version": "3.0.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/object-enumerator.git",
-                "reference": "31dd3379d16446c5d86dec32ab1ad1f378581ad8"
+                "reference": "7cfd9e65d11ffb5af41198476395774d4c8a84c5"
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-                "reference": "31dd3379d16446c5d86dec32ab1ad1f378581ad8",
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             },
             "require": {
                 "php": "^7.0",
-                "sebastian/object-reflector": "^1.0",
+                "sebastian/object-reflector": "^1.1.1",
                 "sebastian/recursion-context": "^3.0"
             },
             "require-dev": {
@@ -2673,7 +2891,7 @@
             ],
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             "homepage": "https://github.com/sebastianbergmann/object-enumerator/",
-            "time": "2017-03-12T15:17:29+00:00"
+            "time": "2017-08-03T12:35:26+00:00"
         },
         {
             "name": "sebastian/object-reflector",
@@ -2909,7 +3127,7 @@
         },
         {
             "name": "symfony/config",
-            "version": "v2.8.25",
+            "version": "v2.8.26",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/config.git",
@@ -2965,16 +3183,16 @@
         },
         {
             "name": "symfony/console",
-            "version": "v2.8.25",
+            "version": "v2.8.26",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/console.git",
-                "reference": "46e65f8d98c9ab629bbfcc16a4ff023f61c37fb2"
+                "reference": "32a3c6b3398de5db8ed381f4ef92970c59c2fcdd"
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-                "url": "https://api.github.com/repos/symfony/console/zipball/46e65f8d98c9ab629bbfcc16a4ff023f61c37fb2",
-                "reference": "46e65f8d98c9ab629bbfcc16a4ff023f61c37fb2",
+                "url": "https://api.github.com/repos/symfony/console/zipball/32a3c6b3398de5db8ed381f4ef92970c59c2fcdd",
+                "reference": "32a3c6b3398de5db8ed381f4ef92970c59c2fcdd",
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             },
             "require": {
@@ -3022,7 +3240,7 @@
             ],
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@@ -3349,7 +3849,7 @@
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@@ -3462,16 +3962,16 @@
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