diff --git a/.circleci/config.yml b/.circleci/config.yml
index 2ac83f9..b80d560 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -103,12 +103,29 @@ jobs:
           MYSQL_ALLOW_EMPTY_PASSWORD: yes
           MYSQL_ROOT_HOST: "%"
       - image: memcached:1.4
+  build-php80:
+    <<: *defaults
+    docker:
+      - image: php:8.0-alpine
+        environment:
+          ADD_PACKAGES: "libmemcached"
+          ADD_MODULES: "mysqli pdo pdo_mysql"
+          ADD_PECL: "apcu memcached"
+          ADD_PHPIZE_DEPS: "zlib-dev libmemcached-dev"
+      - image: cassandra:2.1
+        environment:
+          CASSANDRA_START_RPC: yes
+      - image: circleci/mysql:5.6
+        environment:
+          MYSQL_ALLOW_EMPTY_PASSWORD: yes
+          MYSQL_ROOT_HOST: "%"
+      - image: memcached:1.4
 
 workflows:
   version: 2
   build:
     jobs:
-      - build-php71
       - build-php72
       - build-php73
       - build-php74
+      - build-php80
diff --git a/composer.json b/composer.json
index 3d6d035..6da3ea9 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
     }
   ],
   "require": {
-    "php": ">=7.1",
+    "php": ">=7.2",
     "ext-json": "*",
     "packaged/helpers": "~1.23||~2.5",
     "packaged/docblock": "~0.1||~1.0",
@@ -23,7 +23,7 @@
     "ext-apcu": "*"
   },
   "require-dev": {
-    "phpunit/phpunit": "~7"
+    "phpunit/phpunit": "~8"
   },
   "autoload": {
     "psr-4": {
diff --git a/phpunit.xml b/phpunit.xml
index cdcf171..95744a6 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -14,11 +14,11 @@
   >
   <testsuites>
     <testsuite name="dal">
-      <directory>tests</directory>
+      <directory>./tests/*</directory>
     </testsuite>
   </testsuites>
   <filter>
-    <whitelist>
+    <whitelist addUncoveredFilesFromWhitelist="true" processUncoveredFilesFromWhitelist="true">
       <directory suffix=".php">src</directory>
     </whitelist>
   </filter>
diff --git a/src/DataTypes/Counter.php b/src/DataTypes/Counter.php
index 854d4cb..270e6d4 100644
--- a/src/DataTypes/Counter.php
+++ b/src/DataTypes/Counter.php
@@ -26,7 +26,7 @@ public function current()
 
   public function setValue($value)
   {
-    $this->_value = $value;
+    $this->_value = $this->_safeValue($value);
     $this->_adjust = 0;
     $this->_adjusted = true;
   }
@@ -36,8 +36,22 @@ public function calculated()
     return $this->_value + $this->_adjust;
   }
 
+  protected function _safeValue($by)
+  {
+    if(is_int($by) || is_float($by))
+    {
+      return $by;
+    }
+    if(is_numeric($by) && strpos($by, '.') > 0)
+    {
+      return (float)$by;
+    }
+    return (int)$by;
+  }
+
   public function increment($by = 1)
   {
+    $by = $this->_safeValue($by);
     $this->_adjust += abs($by);
     $this->_adjusted = abs($by) > 0;
     return $this;
@@ -45,6 +59,7 @@ public function increment($by = 1)
 
   public function decrement($by = 1)
   {
+    $by = $this->_safeValue($by);
     $this->_adjust -= abs($by);
     $this->_adjusted = abs($by) > 0;
     return $this;
diff --git a/src/Ql/Cql/CqlConnection.php b/src/Ql/Cql/CqlConnection.php
index fa6f6ed..d0d498d 100644
--- a/src/Ql/Cql/CqlConnection.php
+++ b/src/Ql/Cql/CqlConnection.php
@@ -96,10 +96,7 @@ public function connect()
     {
       $this->_prepareCache = [];
 
-      $remainingAttempts = (int)$this->_config()->getItem(
-        'connect_attempts',
-        1
-      );
+      $remainingAttempts = (int)$this->_config()->getItem('connect_attempts', 1);
 
       while($remainingAttempts > 0)
       {
@@ -109,35 +106,21 @@ public function connect()
         {
           if(empty($this->_availableHosts))
           {
-            $this->_availableHosts = ValueAs::arr(
-              $this->_config()->getItem('hosts', 'localhost')
-            );
+            $this->_availableHosts = ValueAs::arr($this->_config()->getItem('hosts', 'localhost'));
             $this->_availableHostCount = count($this->_availableHosts);
             if($this->_availableHostCount < 1)
             {
-              throw new ConnectionException(
-                'Could not find any configured hosts'
-              );
+              throw new ConnectionException('Could not find any configured hosts');
             }
           }
 
           shuffle($this->_availableHosts);
           $host = reset($this->_availableHosts);
 
-          $this->_socket = new DalSocket(
-            $host,
-            (int)$this->_config()->getItem('port', 9160),
-            $this->_isPersistent()
-          );
-          $this->_socket->setConnectTimeout(
-            (int)$this->_config()->getItem('connect_timeout', 1000)
-          );
-          $this->_socket->setRecvTimeout(
-            (int)$this->_config()->getItem('receive_timeout', 1000)
-          );
-          $this->_socket->setSendTimeout(
-            (int)$this->_config()->getItem('send_timeout', 1000)
-          );
+          $this->_socket = new DalSocket($host, (int)$this->_config()->getItem('port', 9160), $this->_isPersistent());
+          $this->_socket->setConnectTimeout((int)$this->_config()->getItem('connect_timeout', 1000));
+          $this->_socket->setRecvTimeout((int)$this->_config()->getItem('receive_timeout', 1000));
+          $this->_socket->setSendTimeout((int)$this->_config()->getItem('send_timeout', 1000));
 
           $this->_transport = new TFramedTransport($this->_socket);
           $this->_protocol = new TBinaryProtocolAccelerated($this->_transport);
diff --git a/src/Ql/Cql/DalSocket.php b/src/Ql/Cql/DalSocket.php
index 5761765..d754df1 100644
--- a/src/Ql/Cql/DalSocket.php
+++ b/src/Ql/Cql/DalSocket.php
@@ -28,7 +28,10 @@ public function close()
   {
     $persist = $this->persist_;
     $this->persist_ = false;
-    parent::close();
+    if($this->handle_ !== null && !is_bool($this->handle_))
+    {
+      parent::close();
+    }
     $this->persist_ = $persist;
   }
 
diff --git a/tests/Cache/Apc/ApcConnectionTest.php b/tests/Cache/Apc/ApcConnectionTest.php
index c308192..9674635 100644
--- a/tests/Cache/Apc/ApcConnectionTest.php
+++ b/tests/Cache/Apc/ApcConnectionTest.php
@@ -8,7 +8,7 @@
 
 class ApcConnectionTest extends TestCase
 {
-  protected function setUp()
+  protected function setUp(): void
   {
     if(!((extension_loaded('apc') || extension_loaded('apcu'))
       && ini_get('apc.enabled'))
diff --git a/tests/Exceptions/Connection/CqlExceptionTest.php b/tests/Exceptions/Connection/CqlExceptionTest.php
index 752c776..152d7db 100644
--- a/tests/Exceptions/Connection/CqlExceptionTest.php
+++ b/tests/Exceptions/Connection/CqlExceptionTest.php
@@ -31,12 +31,12 @@ public function testExceptions($exception, $code, $contains)
     {
       foreach($contains as $contain)
       {
-        $this->assertContains($contain, $formed->getMessage());
+        $this->assertStringContainsString($contain, $formed->getMessage());
       }
     }
     else
     {
-      $this->assertContains($contains, $formed->getMessage());
+      $this->assertStringContainsString($contains, $formed->getMessage());
     }
     $this->assertSame($exception, $formed->getPrevious());
   }
diff --git a/tests/Exceptions/Connection/PdoExceptionTest.php b/tests/Exceptions/Connection/PdoExceptionTest.php
index 00864aa..4adc2c9 100644
--- a/tests/Exceptions/Connection/PdoExceptionTest.php
+++ b/tests/Exceptions/Connection/PdoExceptionTest.php
@@ -25,12 +25,12 @@ public function testExceptions($exception, $code, $contains)
     {
       foreach($contains as $contain)
       {
-        $this->assertContains($contain, $formed->getMessage());
+        $this->assertStringContainsString($contain, $formed->getMessage());
       }
     }
     else
     {
-      $this->assertContains($contains, $formed->getMessage());
+      $this->assertStringContainsString($contains, $formed->getMessage());
     }
     $this->assertSame($exception, $formed->getPrevious());
   }
diff --git a/tests/FileSystem/FileSystemDataStoreTest.php b/tests/FileSystem/FileSystemDataStoreTest.php
index c458163..2f81692 100644
--- a/tests/FileSystem/FileSystemDataStoreTest.php
+++ b/tests/FileSystem/FileSystemDataStoreTest.php
@@ -19,13 +19,13 @@ protected function _getResourceLocation($filename)
     return Path::system(dirname(__DIR__), 'resources', 'FileSystem', $filename);
   }
 
-  protected function setUp()
+  protected function setUp(): void
   {
     $resolver = new DalResolver();
     $resolver->boot();
   }
 
-  protected function tearDown()
+  protected function tearDown(): void
   {
     Dao::unsetDalResolver();
   }
diff --git a/tests/FileSystem/JsonFileDaoTest.php b/tests/FileSystem/JsonFileDaoTest.php
index 3d50b5f..d1d69f9 100644
--- a/tests/FileSystem/JsonFileDaoTest.php
+++ b/tests/FileSystem/JsonFileDaoTest.php
@@ -14,13 +14,13 @@ protected function _getResourceLocation($filename)
     return Path::system(dirname(__DIR__), 'resources', 'FileSystem', $filename);
   }
 
-  protected function setUp()
+  protected function setUp(): void
   {
     $resolver = new DalResolver();
     $resolver->boot();
   }
 
-  protected function tearDown()
+  protected function tearDown(): void
   {
     Dao::unsetDalResolver();
   }
diff --git a/tests/Foundation/AbstractSanitizableDaoTest.php b/tests/Foundation/AbstractSanitizableDaoTest.php
index 819cde9..8a7ea0e 100644
Binary files a/tests/Foundation/AbstractSanitizableDaoTest.php and b/tests/Foundation/AbstractSanitizableDaoTest.php differ
diff --git a/tests/Ql/Cql/CqlTest.php b/tests/Ql/Cql/CqlTest.php
index 54ba3d4..9967a84 100644
--- a/tests/Ql/Cql/CqlTest.php
+++ b/tests/Ql/Cql/CqlTest.php
@@ -165,7 +165,7 @@ public function testLsd()
     $this->assertEquals(123456, $dao->intVal);
     $this->assertEquals(-123456, $dao->bigintVal);
     $this->assertEquals(123456, $dao->doubleVal);
-    $this->assertEquals(12.3456, $dao->floatVal, '', 0.00001);
+    $this->assertEqualsWithDelta(12.3456, $dao->floatVal, 0.00001);
     $this->assertEquals(1200, $dao->decimalVal);
     $this->assertEquals(-54.321, $dao->negDecimalVal);
     $this->assertEquals(strtotime('2015-04-02'), $dao->timestampVal);