Missed use connection on Mysql adapter

Author: wriver4

Activerecord/Adapters/Mysql.php

@@ -5,13 +5,15 @@
 
 namespace Activerecord\Adapters;
 
+use Activerecord\Connection;
+
 /**
  * Adapter for MySQL.
  *
  * @package Activerecord
  */
 class Mysql
-        extends Activerecord\Connection
+        extends Connection
 {
 
     static $DEFAULT_PORT = 3306;

Activerecord/Adapters/Pgsql.php

@@ -5,9 +5,9 @@
 
 namespace Activerecord\Adapters;
 
-use \Activerecord\Column;
-use \Activerecord\Connection;
-use \Activerecord\Inflector;
+use Activerecord\Column;
+use Activerecord\Connection;
+use Activerecord\Inflector;
 
 /**
  * Adapter for Postgres (not completed yet)

Activerecord/Adapters/Sqlite.php

@@ -5,12 +5,12 @@
 
 namespace Activerecord\Adapters;
 
-use \Activerecord\Column;
-use \Activerecord\Connection;
-use \Activerecord\Exceptions\exActiverecord;
-use \Activerecord\Exceptions\exDatabase;
-use \ActiveRecord\Utils;
-use \Activerecord\Inflector;
+use Activerecord\Column;
+use Activerecord\Connection;
+use Activerecord\Exceptions\exActiverecord;
+use Activerecord\Exceptions\exDatabase;
+use ActiveRecord\Utils;
+use Activerecord\Inflector;
 
 /**
  * Adapter for SQLite.