diff --git a/framework/core/.travis.yml b/framework/core/.travis.yml
index b074b2100..89340f880 100644
--- a/framework/core/.travis.yml
+++ b/framework/core/.travis.yml
@@ -14,6 +14,7 @@ before_script:
 
 script:
   - vendor/bin/phpcs --standard=PSR2 -np src
+  - vendor/bin/phpspec run
 
 notifications:
   email:
diff --git a/framework/core/composer.json b/framework/core/composer.json
index 9122bc4c3..d7e66e32c 100644
--- a/framework/core/composer.json
+++ b/framework/core/composer.json
@@ -26,7 +26,8 @@
         "codeception/codeception": "~2.0.0",
         "codeception/mockery-module": "*",
         "laracasts/testdummy": "~2.0",
-        "squizlabs/php_codesniffer": "2.*"
+        "squizlabs/php_codesniffer": "2.*",
+        "phpspec/phpspec": "^2.2"
     },
     "autoload": {
         "psr-4": {
diff --git a/framework/core/composer.lock b/framework/core/composer.lock
index 2ee4e0071..ed93e5a0e 100644
--- a/framework/core/composer.lock
+++ b/framework/core/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"
     ],
-    "hash": "09afef66b65df77878c1bdd8d51b1eab",
+    "hash": "6f47932716cfbd88646a021ea58c18b5",
     "packages": [
         {
             "name": "danielstjules/stringy",
@@ -856,7 +856,7 @@
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/tobscure/json-api/zipball/fe013caafe9ed0797b1b6abb116d514b301fbf1c",
+                "url": "https://api.github.com/repos/tobscure/json-api/zipball/2629b6f48eb380973848c7e5fc36d41f33b305b3",
                 "reference": "fe013caafe9ed0797b1b6abb116d514b301fbf1c",
                 "shasum": ""
             },
@@ -1600,6 +1600,118 @@
             ],
             "time": "2015-02-03 12:10:50"
         },
+        {
+            "name": "phpspec/php-diff",
+            "version": "v1.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpspec/php-diff.git",
+                "reference": "30e103d19519fe678ae64a60d77884ef3d71b28a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpspec/php-diff/zipball/30e103d19519fe678ae64a60d77884ef3d71b28a",
+                "reference": "30e103d19519fe678ae64a60d77884ef3d71b28a",
+                "shasum": ""
+            },
+            "type": "library",
+            "autoload": {
+                "psr-0": {
+                    "Diff": "lib/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Chris Boulton",
+                    "homepage": "http://github.com/chrisboulton",
+                    "role": "Original developer"
+                }
+            ],
+            "description": "A comprehensive library for generating differences between two hashable objects (strings or arrays).",
+            "time": "2013-11-01 13:02:21"
+        },
+        {
+            "name": "phpspec/phpspec",
+            "version": "2.2.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpspec/phpspec.git",
+                "reference": "e9a40577323e67f1de2e214abf32976a0352d8f8"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpspec/phpspec/zipball/e9a40577323e67f1de2e214abf32976a0352d8f8",
+                "reference": "e9a40577323e67f1de2e214abf32976a0352d8f8",
+                "shasum": ""
+            },
+            "require": {
+                "doctrine/instantiator": "^1.0.1",
+                "php": ">=5.3.3",
+                "phpspec/php-diff": "~1.0.0",
+                "phpspec/prophecy": "~1.4",
+                "sebastian/exporter": "~1.0",
+                "symfony/console": "~2.3",
+                "symfony/event-dispatcher": "~2.1",
+                "symfony/finder": "~2.1",
+                "symfony/process": "~2.1",
+                "symfony/yaml": "~2.1"
+            },
+            "require-dev": {
+                "behat/behat": "^3.0.11",
+                "bossa/phpspec2-expect": "~1.0",
+                "phpunit/phpunit": "~4.4",
+                "symfony/filesystem": "~2.1",
+                "symfony/process": "~2.1"
+            },
+            "suggest": {
+                "phpspec/nyan-formatters": "~1.0 – Adds Nyan formatters"
+            },
+            "bin": [
+                "bin/phpspec"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.2.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "PhpSpec": "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",
+                    "homepage": "http://marcelloduarte.net/"
+                }
+            ],
+            "description": "Specification-oriented BDD framework for PHP 5.3+",
+            "homepage": "http://phpspec.net/",
+            "keywords": [
+                "BDD",
+                "SpecBDD",
+                "TDD",
+                "spec",
+                "specification",
+                "testing",
+                "tests"
+            ],
+            "time": "2015-05-30 15:21:40"
+        },
         {
             "name": "phpspec/prophecy",
             "version": "v1.4.1",
@@ -2841,6 +2953,55 @@
             "homepage": "https://symfony.com",
             "time": "2015-06-04 20:11:48"
         },
+        {
+            "name": "symfony/process",
+            "version": "v2.7.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/Process.git",
+                "reference": "48aeb0e48600321c272955132d7606ab0a49adb3"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/Process/zipball/48aeb0e48600321c272955132d7606ab0a49adb3",
+                "reference": "48aeb0e48600321c272955132d7606ab0a49adb3",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.9"
+            },
+            "require-dev": {
+                "symfony/phpunit-bridge": "~2.7"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.7-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Process\\": ""
+                }
+            },
+            "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 Process Component",
+            "homepage": "https://symfony.com",
+            "time": "2015-07-01 11:25:50"
+        },
         {
             "name": "symfony/yaml",
             "version": "v2.7.1",
diff --git a/framework/core/spec/Flarum/Core/Settings/MemoryCacheSettingsRepositorySpec.php b/framework/core/spec/Flarum/Core/Settings/MemoryCacheSettingsRepositorySpec.php
new file mode 100644
index 000000000..7459b9e33
--- /dev/null
+++ b/framework/core/spec/Flarum/Core/Settings/MemoryCacheSettingsRepositorySpec.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace spec\Flarum\Core\Settings;
+
+use Flarum\Core\Settings\SettingsRepository;
+use PhpSpec\ObjectBehavior;
+use Prophecy\Argument;
+
+class MemoryCacheSettingsRepositorySpec extends ObjectBehavior
+{
+    function let(SettingsRepository $inner)
+    {
+        $this->beConstructedWith($inner);
+    }
+
+    function it_is_initializable()
+    {
+        $this->shouldHaveType('Flarum\Core\Settings\MemoryCacheSettingsRepository');
+    }
+
+    function it_retrieves_data_from_inner(SettingsRepository $inner)
+    {
+        $settings = ['a' => 1, 'b' => 2];
+        $inner->all()->willReturn($settings);
+        $inner->all()->shouldBeCalled();
+
+        // Test fetching all settings
+        $this->all()->shouldReturn($settings);
+
+        // Test fetching single settings
+        $this->get('a')->shouldReturn(1);
+        $this->get('b')->shouldReturn(2);
+
+        // Test invalid key
+        $this->get('c')->shouldReturn(null);
+
+        // Test invalid key with custom default
+        $this->get('d', 'foobar')->shouldReturn('foobar');
+    }
+
+    function it_passes_new_data_to_inner(SettingsRepository $inner)
+    {
+        $this->set('a', 1);
+        $inner->set('a', 1)->shouldHaveBeenCalled();
+    }
+
+    function it_caches_new_data(SettingsRepository $inner)
+    {
+        $this->set('b', 2);
+        $this->get('b')->shouldReturn(2);
+        $inner->all()->shouldNotHaveBeenCalled();
+        $inner->get('b')->shouldNotHaveBeenCalled();
+    }
+}
diff --git a/framework/core/src/Console/ImportCommand.php b/framework/core/src/Console/ImportCommand.php
index bbd31dc2c..ae0f3a414 100644
--- a/framework/core/src/Console/ImportCommand.php
+++ b/framework/core/src/Console/ImportCommand.php
@@ -4,15 +4,12 @@ use Illuminate\Console\Command;
 use Illuminate\Foundation\Application;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Input\InputArgument;
-use Flarum\Core\Exceptions\ValidationFailureException;
-use Flarum\Core\Models\User;
-use Flarum\Core\Models\Discussion;
-use Flarum\Core\Models\DiscussionState;
-use Flarum\Core\Models\CommentPost;
+use Flarum\Core\Users\User;
+use Flarum\Core\Discussions\Discussion;
+use Flarum\Core\Discussions\DiscussionState;
+use Flarum\Core\Posts\CommentPost;
 use Flarum\Tags\Tag;
-use Flarum\Core\Events\PostWasPosted;
-use Flarum\Core\Events\UserWasRegistered;
-use Flarum\Core\Activity\JoinedActivity;
+use Flarum\Core\Posts\Events\PostWasPosted;
 use Symfony\Component\Console\Helper\ProgressBar;
 
 class ImportCommand extends Command
@@ -23,7 +20,7 @@ class ImportCommand extends Command
      *
      * @var string
      */
-    protected $name = 'flarum:import';
+    protected $name = 'import';
 
     /**
      * The console command description.
diff --git a/framework/core/src/Core.php b/framework/core/src/Core.php
index 8772d1f27..f7ba7546c 100644
--- a/framework/core/src/Core.php
+++ b/framework/core/src/Core.php
@@ -18,10 +18,6 @@ class Core
             return $default;
         }
 
-        if (is_null($value = app('flarum.db')->table('config')->where('key', $key)->pluck('value'))) {
-            $value = $default;
-        }
-
-        return $value;
+        return app('Flarum\Core\Settings\SettingsRepository')->get($key, $default);
     }
 }
diff --git a/framework/core/src/Core/CoreServiceProvider.php b/framework/core/src/Core/CoreServiceProvider.php
index a33ebda76..ed3618bab 100644
--- a/framework/core/src/Core/CoreServiceProvider.php
+++ b/framework/core/src/Core/CoreServiceProvider.php
@@ -1,5 +1,7 @@
 <?php namespace Flarum\Core;
 
+use Flarum\Core\Settings\MemoryCacheSettingsRepository;
+use Flarum\Core\Settings\DatabaseSettingsRepository;
 use Flarum\Core\Users\User;
 use Flarum\Support\ServiceProvider;
 use Flarum\Extend;
@@ -31,6 +33,14 @@ class CoreServiceProvider extends ServiceProvider
      */
     public function register()
     {
+        $this->app->singleton('Flarum\Core\Settings\SettingsRepository', function() {
+            return new MemoryCacheSettingsRepository(
+                new DatabaseSettingsRepository(
+                    $this->app->make('Illuminate\Database\ConnectionInterface')
+                )
+            );
+        });
+
         $this->app->singleton('flarum.forum', 'Flarum\Core\Forum');
 
         // TODO: probably use Illuminate's AggregateServiceProvider
diff --git a/framework/core/src/Core/Model.php b/framework/core/src/Core/Model.php
index f52b21a04..ee461350a 100755
--- a/framework/core/src/Core/Model.php
+++ b/framework/core/src/Core/Model.php
@@ -3,7 +3,6 @@
 use Illuminate\Contracts\Validation\Factory;
 use Illuminate\Database\Eloquent\Model as Eloquent;
 use Illuminate\Database\Eloquent\Relations\Relation;
-use Flarum\Core\Exceptions\ValidationFailureException;
 use LogicException;
 
 /**
diff --git a/framework/core/src/Core/DatabaseSettingsRepository.php b/framework/core/src/Core/Settings/DatabaseSettingsRepository.php
similarity index 73%
rename from framework/core/src/Core/DatabaseSettingsRepository.php
rename to framework/core/src/Core/Settings/DatabaseSettingsRepository.php
index c7d86d5c2..ec726eefe 100644
--- a/framework/core/src/Core/DatabaseSettingsRepository.php
+++ b/framework/core/src/Core/Settings/DatabaseSettingsRepository.php
@@ -1,10 +1,10 @@
 <?php
 
-namespace Flarum\Core;
+namespace Flarum\Core\Settings;
 
 use Illuminate\Database\ConnectionInterface;
 
-class DatabaseSettingsRepository implements SettingsRepositoryInterface
+class DatabaseSettingsRepository implements SettingsRepository
 {
     protected $database;
 
@@ -13,6 +13,11 @@ class DatabaseSettingsRepository implements SettingsRepositoryInterface
         $this->database = $connection;
     }
 
+    public function all()
+    {
+        return $this->database->table('config')->lists('value', 'key');
+    }
+
     public function get($key, $default = null)
     {
         if (is_null($value = $this->database->table('config')->where('key', $key)->pluck('value'))) {
diff --git a/framework/core/src/Core/Settings/MemoryCacheSettingsRepository.php b/framework/core/src/Core/Settings/MemoryCacheSettingsRepository.php
new file mode 100644
index 000000000..777a7f5c7
--- /dev/null
+++ b/framework/core/src/Core/Settings/MemoryCacheSettingsRepository.php
@@ -0,0 +1,45 @@
+<?php
+
+namespace Flarum\Core\Settings;
+
+class MemoryCacheSettingsRepository implements SettingsRepository
+{
+    protected $inner;
+
+    protected $isCached;
+
+    protected $cache = [];
+
+    public function __construct(SettingsRepository $inner)
+    {
+        $this->inner = $inner;
+    }
+
+    public function all()
+    {
+        if (!$this->isCached) {
+            $this->cache = $this->inner->all();
+            $this->isCached = true;
+        }
+
+        return $this->cache;
+    }
+
+    public function get($key, $default = null)
+    {
+        if (array_key_exists($key, $this->cache)) {
+            return $this->cache[$key];
+        } else if (!$this->isCached) {
+            return array_get($this->all(), $key, $default);
+        }
+
+        return $default;
+    }
+
+    public function set($key, $value)
+    {
+        $this->cache[$key] = $value;
+
+        $this->inner->set($key, $value);
+    }
+}
diff --git a/framework/core/src/Core/SettingsRepositoryInterface.php b/framework/core/src/Core/Settings/SettingsRepository.php
similarity index 52%
rename from framework/core/src/Core/SettingsRepositoryInterface.php
rename to framework/core/src/Core/Settings/SettingsRepository.php
index 5007e0f06..1b226236e 100644
--- a/framework/core/src/Core/SettingsRepositoryInterface.php
+++ b/framework/core/src/Core/Settings/SettingsRepository.php
@@ -1,9 +1,11 @@
 <?php
 
-namespace Flarum\Core;
+namespace Flarum\Core\Settings;
 
-interface SettingsRepositoryInterface
+interface SettingsRepository
 {
+    public function all();
+
     public function get($key, $default = null);
 
     public function set($key, $value);
diff --git a/framework/core/src/Core/Users/Commands/RequestPasswordResetHandler.php b/framework/core/src/Core/Users/Commands/RequestPasswordResetHandler.php
index 8c86ab41c..448052db5 100644
--- a/framework/core/src/Core/Users/Commands/RequestPasswordResetHandler.php
+++ b/framework/core/src/Core/Users/Commands/RequestPasswordResetHandler.php
@@ -1,5 +1,6 @@
 <?php namespace Flarum\Core\Users\Commands;
 
+use Flarum\Core\Settings\SettingsRepository;
 use Flarum\Core\Users\PasswordToken;
 use Flarum\Core\Users\UserRepository;
 use Illuminate\Contracts\Mail\Mailer;
@@ -15,19 +16,31 @@ class RequestPasswordResetHandler
      */
     protected $users;
 
+    /**
+     * @var SettingsRepository
+     */
+    protected $settings;
+
     /**
      * @var Mailer
      */
     protected $mailer;
 
+    /**
+     * @var UrlGeneratorInterface
+     */
+    protected $url;
+
     /**
      * @param UserRepository $users
+     * @param SettingsRepository $settings
      * @param Mailer $mailer
      * @param UrlGeneratorInterface $url
      */
-    public function __construct(UserRepository $users, Mailer $mailer, UrlGeneratorInterface $url)
+    public function __construct(UserRepository $users, SettingsRepository $settings, Mailer $mailer, UrlGeneratorInterface $url)
     {
         $this->users = $users;
+        $this->settings = $settings;
         $this->mailer = $mailer;
         $this->url = $url;
     }
@@ -53,8 +66,8 @@ class RequestPasswordResetHandler
         // password route be part of core??
         $data = [
             'username' => $user->username,
-            'url' => Core::config('base_url').'/reset/'.$token->id,
-            'forumTitle' => Core::config('forum_title')
+            'url' => $this->settings->get('base_url').'/reset/'.$token->id,
+            'forumTitle' => $this->settings->get('forum_title'),
         ];
 
         $this->mailer->send(['text' => 'flarum::emails.resetPassword'], $data, function (Message $message) use ($user) {
diff --git a/framework/core/src/Core/Users/Listeners/EmailConfirmationMailer.php b/framework/core/src/Core/Users/Listeners/EmailConfirmationMailer.php
index cc259a077..111d3851a 100755
--- a/framework/core/src/Core/Users/Listeners/EmailConfirmationMailer.php
+++ b/framework/core/src/Core/Users/Listeners/EmailConfirmationMailer.php
@@ -1,5 +1,6 @@
 <?php namespace Flarum\Core\Users\Listeners;
 
+use Flarum\Core\Settings\SettingsRepository;
 use Flarum\Core\Users\Events\UserWasRegistered;
 use Flarum\Core\Users\Events\UserEmailChangeWasRequested;
 use Flarum\Core;
@@ -11,16 +12,23 @@ use Illuminate\Mail\Message;
 
 class EmailConfirmationMailer
 {
+    /**
+     * @var SettingsRepository
+     */
+    protected $settings;
+
     /**
      * @var Mailer
      */
     protected $mailer;
 
     /**
+     * @param SettingsRepository $settings
      * @param Mailer $mailer
      */
-    public function __construct(Mailer $mailer)
+    public function __construct(SettingsRepository $settings, Mailer $mailer)
     {
+        $this->settings = $settings;
         $this->mailer = $mailer;
     }
 
@@ -90,8 +98,8 @@ class EmailConfirmationMailer
         // email route be part of core??
         return [
             'username' => $user->username,
-            'url' => Core::config('base_url').'/confirm/'.$token->id,
-            'forumTitle' => Core::config('forum_title')
+            'url' => $this->settings->get('base_url').'/confirm/'.$token->id,
+            'forumTitle' => $this->settings->get('forum_title')
         ];
     }
 }
diff --git a/framework/core/src/Support/ClientAction.php b/framework/core/src/Support/ClientAction.php
index d75c1e744..3ad5c5a96 100644
--- a/framework/core/src/Support/ClientAction.php
+++ b/framework/core/src/Support/ClientAction.php
@@ -5,6 +5,7 @@ use Flarum\Assets\AssetManager;
 use Flarum\Assets\JsCompiler;
 use Flarum\Assets\LessCompiler;
 use Flarum\Core;
+use Flarum\Core\Settings\SettingsRepository;
 use Flarum\Core\Users\User;
 use Flarum\Locale\JsCompiler as LocaleJsCompiler;
 use Flarum\Locale\LocaleManager;
@@ -61,14 +62,20 @@ abstract class ClientAction extends HtmlAction
      */
     protected $locales;
 
+    /**
+     * @var SettingsRepository
+     */
+    protected $settings;
+
     /**
      * @param Client $apiClient
      * @param LocaleManager $locales
      */
-    public function __construct(Client $apiClient, LocaleManager $locales)
+    public function __construct(Client $apiClient, LocaleManager $locales, SettingsRepository $settings)
     {
         $this->apiClient = $apiClient;
         $this->locales = $locales;
+        $this->settings = $settings;
     }
 
     /**
@@ -156,7 +163,7 @@ abstract class ClientAction extends HtmlAction
             $assets->addLess("@$name: $value;");
         }
 
-        $assets->addLess(Core::config('custom_less'));
+        $assets->addLess($this->settings->get('custom_less'));
     }
 
     /**
@@ -168,10 +175,10 @@ abstract class ClientAction extends HtmlAction
     protected function getLessVariables()
     {
         return [
-            'fl-primary-color'   => Core::config('theme_primary_color', '#000'),
-            'fl-secondary-color' => Core::config('theme_secondary_color', '#000'),
-            'fl-dark-mode'       => Core::config('theme_dark_mode') ? 'true' : 'false',
-            'fl-colored-header'  => Core::config('theme_colored_header') ? 'true' : 'false'
+            'fl-primary-color'   => $this->settings->get('theme_primary_color', '#000'),
+            'fl-secondary-color' => $this->settings->get('theme_secondary_color', '#000'),
+            'fl-dark-mode'       => $this->settings->get('theme_dark_mode') ? 'true' : 'false',
+            'fl-colored-header'  => $this->settings->get('theme_colored_header') ? 'true' : 'false'
         ];
     }
 
diff --git a/framework/core/src/Support/Extensions/ExtensionsServiceProvider.php b/framework/core/src/Support/Extensions/ExtensionsServiceProvider.php
index f986dc062..606b9908e 100644
--- a/framework/core/src/Support/Extensions/ExtensionsServiceProvider.php
+++ b/framework/core/src/Support/Extensions/ExtensionsServiceProvider.php
@@ -11,13 +11,23 @@ class ExtensionsServiceProvider extends ServiceProvider
      * @return void
      */
     public function register()
+    {
+    }
+
+    /**
+     * Boot the service provider.
+     *
+     * @return void
+     */
+    public function boot()
     {
         // Extensions will not be registered if Flarum is not installed yet
         if (!Core::isInstalled()) {
             return;
         }
 
-        $extensions = json_decode(Core::config('extensions_enabled'), true);
+        $config = $this->app->make('Flarum\Core\Settings\SettingsRepository')->get('extensions_enabled');
+        $extensions = json_decode($config, true);
         $providers = [];
 
         foreach ($extensions as $extension) {