diff --git a/.circleci/config.yml b/.circleci/config.yml
index e567a9a..e85f342 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,17 +2,12 @@ defaults: &defaults
   steps:
     # common php steps
     - run: echo "http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories
+    - run: if [ -n "$ADD_PACKAGES" ]; then apk -U add $ADD_PACKAGES; fi;
+    - run: if [ -n "$ADD_MODULES" ]; then docker-php-ext-install $ADD_MODULES; fi;
     - run: echo "date.timezone = UTC" >> $(php --ini |grep Scan |awk '{print $NF}')/timezone.ini
     - run: curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/bin --filename=composer
 
-    # install apcu
-    - run: |
-        docker-php-source extract \
-        && apk add --no-cache --virtual .phpize-deps-configure $PHPIZE_DEPS \
-        && printf "\n" | pecl install apcu \
-        && docker-php-ext-enable apcu \
-        && apk del .phpize-deps-configure \
-        && docker-php-source delete
+    # pre-checkout steps
 
     # checkout
     - checkout
@@ -27,28 +22,28 @@ defaults: &defaults
 
 version: 2
 jobs:
-  build-php71:
+  build-php74:
     <<: *defaults
     docker:
-      - image: php:7.1-alpine
-  build-php72:
+      - image: php:7.4-alpine
+  build-php80:
     <<: *defaults
     docker:
-      - image: php:7.2-alpine
-  build-php73:
+      - image: php:8.0-alpine
+  build-php81:
     <<: *defaults
     docker:
-      - image: php:7.3-alpine
-  build-php74:
+      - image: php:8.1-alpine
+  build-php82:
     <<: *defaults
     docker:
-      - image: php:7.4-alpine
+      - image: php:8.2-alpine
 
 workflows:
   version: 2
   build:
     jobs:
-      - build-php71
-      - build-php72
-      - build-php73
       - build-php74
+      - build-php80
+      - build-php81
+      - build-php82
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 3b95256..b570b19 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,6 @@
     }
   ],
   "require": {
-    "php": ">=7.1",
     "packaged/helpers": "^1.0||^2.0",
     "packaged/http": "~1.1",
     "packaged/config": "~1.4",
@@ -20,7 +19,7 @@
   },
   "require-dev": {
     "ext-apcu": "*",
-    "phpunit/phpunit": "7.5.*"
+    "phpunit/phpunit": "10"
   },
   "autoload": {
     "psr-4": {
diff --git a/src/ResourceManager.php b/src/ResourceManager.php
index 8e50c72..dd09b4b 100644
--- a/src/ResourceManager.php
+++ b/src/ResourceManager.php
@@ -48,6 +48,11 @@ class ResourceManager
   protected $_componentPath;
   protected $_options = [];
 
+  protected static $defaultOptions = [
+    self::OPT_THROW_ON_FILE_NOT_FOUND => true,
+    self::OPT_RESOURCE_STORE          => null,
+  ];
+
   /**
    * @var Dispatch|null Dispatch in use for components to calculate paths
    */
@@ -464,7 +469,7 @@ public function getFileHash($fullPath)
 
   public function getOption($option, $default = null)
   {
-    return $this->_options[$option] ?? $default;
+    return $this->_options[$option] ?? $this->_defaultOption($option, $default);
   }
 
   /**
@@ -533,4 +538,20 @@ public static function clearCache()
     static::$cmc = [];
     static::$_fileHashCache = [];
   }
+
+  /**
+   * @param string $key
+   * @param mixed  $value
+   *
+   * @return void
+   */
+  public static function setDefaultOption(string $key, $value)
+  {
+    static::$defaultOptions[$key] = $value;
+  }
+
+  protected function _defaultOption(string $key, $default = null)
+  {
+    return static::$defaultOptions[$key] ?? $default;
+  }
 }
diff --git a/tests/ComponentTest.php b/tests/ComponentTest.php
index de66f16..13c3d60 100644
--- a/tests/ComponentTest.php
+++ b/tests/ComponentTest.php
@@ -34,7 +34,7 @@ public function testComponent()
     $request = Request::create('/' . $uri);
     $response = $dispatch->handleRequest($request);
     $this->assertEquals(200, $response->getStatusCode());
-    $this->assertContains('body{color:red}', $response->getContent());
+    $this->assertStringContainsString('body{color:red}', $response->getContent());
 
     Dispatch::instance()->store()->clearStore(ResourceStore::TYPE_CSS);
     $this->assertCount(0, Dispatch::instance()->store()->getResources(ResourceStore::TYPE_CSS));
@@ -44,7 +44,7 @@ public function testComponent()
     $request = Request::create('/' . $manager->getResourceUri('style.css'));
     $response = $dispatch->handleRequest($request);
     $this->assertEquals(200, $response->getStatusCode());
-    $this->assertContains('body{color:red}', $response->getContent());
+    $this->assertStringContainsString('body{color:red}', $response->getContent());
 
     //Required for testing correct namespace validation
     Dispatch::instance()->addComponentAlias('\Packaged\Dispatch\Tests\TestComponents\DemoComponent', 'DC');
@@ -56,7 +56,7 @@ public function testComponent()
     $request = Request::create('/c/3/_/MissingComponent/DemoComponent/a4197ed8/style.css');
     $response = $dispatch->handleRequest($request);
     $this->assertEquals(404, $response->getStatusCode());
-    $this->assertContains('Component Not Found', $response->getContent());
+    $this->assertStringContainsString('Component Not Found', $response->getContent());
 
     $manager = ResourceManager::component(new ChildComponent());
     $uri = $manager->getResourceUri('style.css');
diff --git a/tests/DispatchTest.php b/tests/DispatchTest.php
index 34109aa..7c66baf 100644
--- a/tests/DispatchTest.php
+++ b/tests/DispatchTest.php
@@ -54,37 +54,37 @@ public function testHandle()
     $request = Request::create('/r/bd04a611ed6d/css/test.css');
     $response = $dispatch->handleRequest($request);
     $this->assertEquals(200, $response->getStatusCode());
-    $this->assertContains('url(r/395d1a0e8999/img/x.jpg)', $response->getContent());
+    $this->assertStringContainsString('url(r/395d1a0e8999/img/x.jpg)', $response->getContent());
 
     $uri = ResourceManager::public()->getResourceUri('css/placeholder.css');
     $request = Request::create($uri);
     $response = $dispatch->handleRequest($request);
-    $this->assertContains('font-size:14px', $response->getContent());
-    $this->assertContains('background:url(p/942e325b1780/img/test.svg#test)', $response->getContent());
+    $this->assertStringContainsString('font-size:14px', $response->getContent());
+    $this->assertStringContainsString('background:url(p/942e325b1780/img/test.svg#test)', $response->getContent());
 
     $dispatch->addAlias('abc', 'resources/css');
     $request = Request::create('/a/abc/bd04a611ed6d/test.css');
     $response = $dispatch->handleRequest($request);
-    $this->assertContains('url("a/abc/942e325be95f/sub/subimg.jpg")', $response->getContent());
+    $this->assertStringContainsString('url("a/abc/942e325be95f/sub/subimg.jpg")', $response->getContent());
 
     $uri = ResourceManager::vendor('packaged', 'dispatch')->getResourceUri('css/vendor.css');
     $request = Request::create($uri);
     $response = $dispatch->handleRequest($request);
-    $this->assertContains('body{background:orange}', $response->getContent());
+    $this->assertStringContainsString('body{background:orange}', $response->getContent());
 
     $dispatch->addVendorAlias('packaged', 'dispatch', 'pdsp');
     $uri = ResourceManager::vendor('packaged', 'dispatch')->getResourceUri('css/vendor.css');
-    self::assertContains('v/pdsp', $uri);
+    self::assertStringContainsString('v/pdsp', $uri);
     $request = Request::create($uri);
     $response = $dispatch->handleRequest($request);
-    $this->assertContains('body{background:orange}', $response->getContent());
+    $this->assertStringContainsString('body{background:orange}', $response->getContent());
 
     Dispatch::instance()->config()->addItem('ext.css', 'sourcemap', true);
     $uri = ResourceManager::vendor('packaged', 'dispatch')->getResourceUri('css/vendor.css');
     $request = Request::create($uri);
     $response = $dispatch->handleRequest($request);
-    $this->assertContains('sourceMappingURL', $response->getContent());
-    $this->assertContains('Q1NTLU1BUAo', $response->getContent());
+    $this->assertStringContainsString('sourceMappingURL', $response->getContent());
+    $this->assertStringContainsString('Q1NTLU1BUAo', $response->getContent());
 
     Dispatch::destroy();
   }
@@ -95,7 +95,10 @@ public function testBaseUri()
     Dispatch::bind($dispatch);
     $request = Request::create('/r/bd04a611ed6d/css/test.css');
     $response = $dispatch->handleRequest($request);
-    $this->assertContains('url(http://assets.packaged.in/r/395d1a0e8999/img/x.jpg)', $response->getContent());
+    $this->assertStringContainsString(
+      'url(http://assets.packaged.in/r/395d1a0e8999/img/x.jpg)',
+      $response->getContent()
+    );
     Dispatch::destroy();
   }
 
@@ -105,10 +108,10 @@ public function testStore()
     ResourceManager::resources()->requireCss('css/test.css');
     ResourceManager::resources()->requireCss('css/do-not-modify.css');
     $response = Dispatch::instance()->store()->generateHtmlIncludes(ResourceStore::TYPE_CSS);
-    $this->assertContains('href="http://assets.packaged.in/r/bd04a6113c11/css/test.css"', $response);
+    $this->assertStringContainsString('href="http://assets.packaged.in/r/bd04a6113c11/css/test.css"', $response);
     ResourceManager::resources()->requireJs('js/alert.js');
     $response = Dispatch::instance()->store()->generateHtmlIncludes(ResourceStore::TYPE_JS);
-    $this->assertContains('src="http://assets.packaged.in/r/f417133ec50f/js/alert.js"', $response);
+    $this->assertStringContainsString('src="http://assets.packaged.in/r/f417133ec50f/js/alert.js"', $response);
     Dispatch::destroy();
   }
 
@@ -166,11 +169,11 @@ public function testWebpReplacements()
 
     $request = Request::create(ResourceManager::resources()->getResourceUri('css/webptest.css'));
     $response = $dispatch->handleRequest($request);
-    $this->assertContains(
+    $this->assertStringContainsString(
       'url(http://assets.packaged.in/r/30c60da9f504/img/test-sample.png?abc=def#xyz)',
       $response->getContent()
     );
-    $this->assertNotContains(
+    $this->assertStringNotContainsString(
       'url(http://assets.packaged.in/r/30c60da9f504/img/test-sample.png.webp?abc=def#xyz)',
       $response->getContent()
     );
@@ -182,11 +185,11 @@ public function testWebpReplacements()
     $request = Request::create(ResourceManager::resources()->getResourceUri('css/webptest.css'));
     $response = $dispatch->handleRequest($request);
 
-    $this->assertNotContains(
+    $this->assertStringNotContainsString(
       'url(http://assets.packaged.in/r/30c60da9f504-1/img/test-sample.png?abc=def#xyz)',
       $response->getContent()
     );
-    $this->assertContains(
+    $this->assertStringContainsString(
       'url(http://assets.packaged.in/r/d6e2937fee66-1/img/test-sample.png.webp?abc=def#xyz)',
       $response->getContent()
     );
diff --git a/tests/ResourceManagerTest.php b/tests/ResourceManagerTest.php
index 9899e79..cc7d614 100644
--- a/tests/ResourceManagerTest.php
+++ b/tests/ResourceManagerTest.php
@@ -78,7 +78,7 @@ public function testRequireJs()
   {
     Dispatch::bind(new Dispatch(Path::system(__DIR__, '_root')));
     ResourceManager::resources()->requireJs('js/alert.js');
-    $this->assertContains(
+    $this->assertStringContainsString(
       'src="r/f417133ec50f/js/alert.js"',
       Dispatch::instance()->store()->generateHtmlIncludes(ResourceStore::TYPE_JS)
     );
@@ -101,7 +101,7 @@ public function testRequireCss()
     Dispatch::bind(new Dispatch(Path::system(__DIR__, '_root')));
     ResourceManager::resources()->includeCss('css/test.css');
     ResourceManager::resources()->requireCss('css/test.css');
-    $this->assertContains(
+    $this->assertStringContainsString(
       'href="r/bd04a6113c11/css/test.css"',
       Dispatch::instance()->store()->generateHtmlIncludes(ResourceStore::TYPE_CSS)
     );
@@ -243,4 +243,18 @@ public function testSetResourceStoreConfig()
     $this->assertSame($store1, $manager->getResourceStore());
     $this->assertNotSame($store2, $manager->getResourceStore());
   }
+
+  public function testDefaultOptions()
+  {
+    $manager = ResourceManager::resources();
+    static::assertTrue($manager->getOption(ResourceManager::OPT_THROW_ON_FILE_NOT_FOUND, true));
+
+    ResourceManager::setDefaultOption(ResourceManager::OPT_THROW_ON_FILE_NOT_FOUND, false);
+    static::assertFalse($manager->getOption(ResourceManager::OPT_THROW_ON_FILE_NOT_FOUND, true));
+
+    $manager->setOption(ResourceManager::OPT_THROW_ON_FILE_NOT_FOUND, true);
+    static::assertTrue($manager->getOption(ResourceManager::OPT_THROW_ON_FILE_NOT_FOUND, true));
+
+    ResourceManager::setDefaultOption(ResourceManager::OPT_THROW_ON_FILE_NOT_FOUND, true);
+  }
 }
diff --git a/tests/ResourceStoreTest.php b/tests/ResourceStoreTest.php
index 3eb949a..8e0870f 100644
--- a/tests/ResourceStoreTest.php
+++ b/tests/ResourceStoreTest.php
@@ -86,14 +86,17 @@ public function testGenerateHtmlIncludes()
     $store->requireJs('js/defer.js', ['defer' => null, 'type' => 'application/javascript']);
     $store->requireInlineJs("alert('hi');");
     $store->requireInlineCss("body{background:red;}");
-    $this->assertContains('href="css/test.css"', $store->generateHtmlIncludes(ResourceStore::TYPE_CSS));
-    $this->assertContains('src="js/alert.js"', $store->generateHtmlIncludes(ResourceStore::TYPE_JS));
-    $this->assertContains(
+    $this->assertStringContainsString('href="css/test.css"', $store->generateHtmlIncludes(ResourceStore::TYPE_CSS));
+    $this->assertStringContainsString('src="js/alert.js"', $store->generateHtmlIncludes(ResourceStore::TYPE_JS));
+    $this->assertStringContainsString(
       'src="js/defer.js" defer type="application/javascript"',
       $store->generateHtmlIncludes(ResourceStore::TYPE_JS)
     );
-    $this->assertContains('<script>alert(\'hi\');</script>', $store->generateHtmlIncludes(ResourceStore::TYPE_JS));
-    $this->assertContains(
+    $this->assertStringContainsString(
+      '<script>alert(\'hi\');</script>',
+      $store->generateHtmlIncludes(ResourceStore::TYPE_JS)
+    );
+    $this->assertStringContainsString(
       '<style type=\'text/css\'>body{background:red;}</style>',
       $store->generateHtmlIncludes(ResourceStore::TYPE_CSS)
     );
diff --git a/tests/Resources/AbstractDispatchableResourceTest.php b/tests/Resources/AbstractDispatchableResourceTest.php
index 8126563..5d26f3d 100644
--- a/tests/Resources/AbstractDispatchableResourceTest.php
+++ b/tests/Resources/AbstractDispatchableResourceTest.php
@@ -22,16 +22,16 @@ public function testProcessesContent()
     $resource->setProcessingPath('css/test.css');
     $resource->setContent(file_get_contents(Path::system($root, Dispatch::RESOURCES_DIR, 'css', 'test.css')));
     $content = $resource->getContent();
-    $this->assertContains('url(r/395d1a0e8999/img/x.jpg)', $content);
-    $this->assertContains('url(\'r/942e325b86c0/css/css.jpg\')', $content);
-    $this->assertContains('url("r/942e325be95f/css/sub/subimg.jpg")', $content);
-    $this->assertContains('url(\'http://www.example.com/background.jpg\')', $content);
-    $this->assertContains('url(../img/missing-file.jpg)', $content);
-    $this->assertContains('url(../../../img/missing-file.jpg)', $content);
+    $this->assertStringContainsString('url(r/395d1a0e8999/img/x.jpg)', $content);
+    $this->assertStringContainsString('url(\'r/942e325b86c0/css/css.jpg\')', $content);
+    $this->assertStringContainsString('url("r/942e325be95f/css/sub/subimg.jpg")', $content);
+    $this->assertStringContainsString('url(\'http://www.example.com/background.jpg\')', $content);
+    $this->assertStringContainsString('url(../img/missing-file.jpg)', $content);
+    $this->assertStringContainsString('url(../../../img/missing-file.jpg)', $content);
 
     $resource->setProcessingPath('css/do-not-modify.css');
     $resource->setContent(file_get_contents(Path::system($root, Dispatch::RESOURCES_DIR, 'css', 'do-not-modify.css')));
-    $this->assertContains('url(../img/x.jpg)', $resource->getContent());
+    $this->assertStringContainsString('url(../img/x.jpg)', $resource->getContent());
   }
 
   public function testJsContent()
@@ -46,9 +46,9 @@ public function testJsContent()
     $resource->setFilePath($manager->getFilePath('js/url.min.js'));
     $resource->setContent(file_get_contents(Path::system($root, Dispatch::RESOURCES_DIR, 'js', 'url.min.js')));
     $content = $resource->getContent();
-    $this->assertContains('import test from \'./test\';', $content);
-    $this->assertContains('import {default as alert} from \'r/f417133ec50f/js/alert.js\';', $content);
-    $this->assertContains('import misc from \'r/b6ccf604ae88/js/misc.js\';', $content);
-    $this->assertContains('"url(" + test(p) + ")"', $content);
+    $this->assertStringContainsString('import test from \'./test\';', $content);
+    $this->assertStringContainsString('import {default as alert} from \'r/f417133ec50f/js/alert.js\';', $content);
+    $this->assertStringContainsString('import misc from \'r/b6ccf604ae88/js/misc.js\';', $content);
+    $this->assertStringContainsString('"url(" + test(p) + ")"', $content);
   }
 }
diff --git a/tests/Resources/NestedResourceTest.php b/tests/Resources/NestedResourceTest.php
index 65942fa..bbfff3f 100644
--- a/tests/Resources/NestedResourceTest.php
+++ b/tests/Resources/NestedResourceTest.php
@@ -20,6 +20,6 @@ public function testProcessesContent()
     $resource->setProcessingPath('css/test.css');
     $resource->setContent(file_get_contents(Path::system($root, Dispatch::RESOURCES_DIR, 'css', 'test.css')));
     $content = $resource->getContent();
-    $this->assertContains('url(/_r/r/395d1a0e8999/img/x.jpg?x=y&request=b)', $content);
+    $this->assertStringContainsString('url(/_r/r/395d1a0e8999/img/x.jpg?x=y&request=b)', $content);
   }
 }