diff --git a/index.php b/index.php
index bf3cad6..dcc54c1 100644
--- a/index.php
+++ b/index.php
@@ -75,13 +75,23 @@ if( ! class_exists('pdo'))
 
 // --------------------------------------------------------------------------
 
-// Convert Errors to Exceptions
-// Do this after the two compatibility checks for cleaner output
+/**
+ * Error handler to convert errors to exceptions
+ *
+ * @param int $errno
+ * @param string $errstr
+ * @param string $errfile
+ * @param int $errline
+ * @throws ErrorException
+ */
 function exception_error_handler($errno, $errstr, $errfile, $errline)
 {
     throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
 }
-set_error_handler("exception_error_handler");
+
+// Do this after the two compatibility checks for cleaner output
+// Note that this will throw exceptions on notices
+set_error_handler("exception_error_handler", -1);
 
 // --------------------------------------------------------------------------
 
@@ -111,7 +121,7 @@ $path = BASE_DIR . "/db/drivers/";
 
 foreach(pdo_drivers() as $d)
 {
-	//Favor ibase over PDO firebird
+	//Favor ibase/fbird over PDO firebird
 	if ($d === 'firebird')
 	{
 		continue;
diff --git a/sys/db/drivers/mysql/mysql_driver.php b/sys/db/drivers/mysql/mysql_driver.php
index 0bdbfee..d485be2 100644
--- a/sys/db/drivers/mysql/mysql_driver.php
+++ b/sys/db/drivers/mysql/mysql_driver.php
@@ -31,6 +31,10 @@ class MySQL extends DB_PDO {
 	 */
 	public function __construct($dsn, $username=null, $password=null, $options=array())
 	{
+		$options = array_merge($options, array(
+			PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES UTF-8 COLLATE 'UTF-8'",
+		));
+
 		parent::__construct("mysql:$dsn", $username, $password, $options);
 
 		$class = __CLASS__.'_sql';
diff --git a/sys/db/query_builder.php b/sys/db/query_builder.php
index cb79fd2..4de7027 100644
--- a/sys/db/query_builder.php
+++ b/sys/db/query_builder.php
@@ -94,6 +94,7 @@ class Query_Builder {
 				{
 					$dsn .= ";port={$params->port}";
 				}
+				
 			break;
 
 			case "sqlite":
@@ -105,6 +106,9 @@ class Query_Builder {
 			break;
 		}
 
+		// Set the charset
+		//$dsn .= ";charset=utf-8";
+
 		// Create the database connection
 		if ( ! empty($params->user))
 		{
@@ -114,12 +118,12 @@ class Query_Builder {
 		{
 			$this->db = new $dbtype($dsn);
 		}
-		
+
 		if (isset($params->name))
 		{
 			$this->conn_name = $params->name;
 		}
-		
+
 
 		// Make things just slightly shorter
 		$this->sql =& $this->db->sql;
diff --git a/sys/widgets/connection_sidebar.php b/sys/widgets/connection_sidebar.php
index 3391f4b..bd560d1 100644
--- a/sys/widgets/connection_sidebar.php
+++ b/sys/widgets/connection_sidebar.php
@@ -48,17 +48,12 @@ class Connection_Sidebar extends GtkVBox {
 
 		$this->settings =& Settings::get_instance();
 
-		//$dblabel = new GtkLabel('Database Connections');
-		//$dblabel->set_alignment(0,0);
-
 		$add_button = new GtkButton();
 		$add_button->set_label("New Connnection");
 		$add_button->set_image(GTKImage::new_from_stock(GTK::STOCK_ADD, Gtk::ICON_SIZE_SMALL_TOOLBAR));
 
 		$add_button->connect_simple('clicked', array($this, 'new_conn'));
 
-		//$this->pack_start($dblabel, FALSE, FALSE);
-
 		// Treeview to show database connections
 		{
 			// Render the treeview
@@ -80,6 +75,8 @@ class Connection_Sidebar extends GtkVBox {
 
 	/**
 	 * Renders the connection sidebar widget
+	 *
+	 * @return void
 	 */
 	protected function _render()
 	{
@@ -138,6 +135,7 @@ class Connection_Sidebar extends GtkVBox {
 	 * @param GtkCellRenderer $cell
 	 * @param GtkTreeModel $this->model
 	 * @param GtkTreeIter $iter
+	 * @return void
 	 */
 	public function set_icon($col, $cell, $model, $iter)
 	{
@@ -167,6 +165,7 @@ class Connection_Sidebar extends GtkVBox {
 	 * @param GtkCellRenderer $cell
 	 * @param GtkTreeModel $this->model
 	 * @param GtkTreeIter $iter
+	 * @return void
 	 */
 	public function set_label($col, $cell, $model, $iter)
 	{
@@ -184,6 +183,7 @@ class Connection_Sidebar extends GtkVBox {
 	 * @param GtkCellRenderer $cell
 	 * @param GtkTreeModel $model
 	 * @param GtkTreeIter $iter
+	 * @return void
 	 */
 	public function set_status_icon($col, $cell, $model, $iter)
 	{
@@ -311,6 +311,8 @@ class Connection_Sidebar extends GtkVBox {
 
 	/**
 	 * Recreate sidebar widget to update connections
+	 *
+	 * @return void
 	 */
 	public function refresh()
 	{
@@ -322,6 +324,8 @@ class Connection_Sidebar extends GtkVBox {
 
 	/**
 	 * Update the connection information for an existing connection
+	 *
+	 * @return void
 	 */
 	public function edit_connection()
 	{
@@ -382,13 +386,15 @@ class Connection_Sidebar extends GtkVBox {
 
 	/**
 	 * Disconnect from a database
+	 *
+	 * @return void
 	 */
 	public function db_disconnect()
 	{
 		$data = $this->treeview->get(0);
 
 		DB_Reg::remove_db($data->name);
-		DB_Tabs::reset();
+		DB_Tabs::reset($data->name);
 
 		$this->refresh();
 	}
@@ -399,6 +405,7 @@ class Connection_Sidebar extends GtkVBox {
 	 * Change tabs based on db connection selected
 	 *
 	 * @param type $view
+	 * @return void
 	 */
 	public function switch_tab($view)
 	{
diff --git a/sys/widgets/data_grid.php b/sys/widgets/data_grid.php
index 8290ab1..137dd45 100644
--- a/sys/widgets/data_grid.php
+++ b/sys/widgets/data_grid.php
@@ -67,7 +67,9 @@ class Data_Grid extends GtkTreeView {
 	// --------------------------------------------------------------------------
 
 	/**
-	 * Empty the model
+	 * Clear datagrid
+	 *
+	 * @return void
 	 */
 	public function reset()
 	{
@@ -112,9 +114,10 @@ class Data_Grid extends GtkTreeView {
 	 * Create a datagrid from the provided data array
 	 *
 	 * @param array $data
+	 * @param array $events
 	 * @return void
 	 */
-	public function render_data($data)
+	public function render_data($data, $events=array())
 	{
 		if ( ! is_array($data))
 		{
diff --git a/sys/widgets/db_info_widget.php b/sys/widgets/db_info_widget.php
index 117eab1..668eff2 100644
--- a/sys/widgets/db_info_widget.php
+++ b/sys/widgets/db_info_widget.php
@@ -102,7 +102,7 @@ class DB_Info_Widget extends GtkTable {
 		$this->port->set_text($db->port);
 
 		// Layout the table
-		$this->layout();
+		$this->_layout();
 
 		// Select the proper db type if editing
 		if ( ! empty($db->type))
@@ -136,104 +136,6 @@ class DB_Info_Widget extends GtkTable {
 
 	// --------------------------------------------------------------------------
 
-	/**
-	 * Table layout
-	 */
-	public function layout()
-	{
-		// Reset defaults when changing db types
-		$this->dbtype->connect_simple("changed", array($this, "change_db"));
-
-		//Table attach
-		//$tbl->attach(left_start, right_stop, top_start, bottom_stop)
-
-		// Placeholder vars for y values, so that rows can be
-		// easily moved
-		$y1 = -1;
-		$y2 = 0;
-
-		// Connection name
-		{
-			$this->_add_row("Connection name", 'conn', $y1, $y2);
-		}
-
-		// Database type
-		{
-			$dbtypelbl = new GtkLabel("Database Type");
-			$typealign = new GtkAlignment(0, 0.5, 0, 0);
-			$typealign->add($dbtypelbl);
-			$this->attach($typealign, 0, 1, ++$y1, ++$y2);
-			$this->attach($this->dbtype, 1, 2, $y1, $y2);
-		}
-
-		// DB File
-		{
-			$this->_add_row("Database File", 'db_file', $y1, $y2);
-		}
-
-		// First Db
-		{
-			$this->_add_row("Database Name", 'conn_db', $y1, $y2);
-		}
-
-		// Host
-		{
-			$this->_add_row("Host", 'host', $y1, $y2);
-		}
-
-		// Port
-		{
-			$this->_add_row("Port", 'port', $y1, $y2);
-		}
-
-		// Username
-		{
-			$this->_add_row("User", 'user', $y1, $y2);
-		}
-
-		// Password
-		{
-			$this->_add_row("Password", 'pass', $y1, $y2);
-		}
-
-		// Add/Edit connection button
-		{
-			$conn_name = $this->conn->get_text();
-			$caption = (empty($conn_name)) ? 'Add Connection' : 'Update Connection';
-
-			$add_button = new GtkButton();
-			$add_button->set_label($caption);
-
-			( ! empty($conn_name))
-				? $add_button->set_image(GTKImage::new_from_stock(GTK::STOCK_SAVE,
-					GTK::ICON_SIZE_SMALL_TOOLBAR))
-				: $add_button->set_image(GTKImage::new_from_stock(GTK::STOCK_ADD,
-					Gtk::ICON_SIZE_SMALL_TOOLBAR));
-
-			$this->attach($add_button, 0, 1, ++$y1, ++$y2);
-
-			if ( ! empty($conn_name))
-			{
-				$add_button->connect_simple("clicked", array($this, 'db_edit'));
-			}
-			else
-			{
-				$add_button->connect_simple("clicked", array($this, 'db_add'));
-			}
-
-		}
-
-		// Test connection button
-		{
-			$test_button = new GtkButton();
-			$test_button->set_label("Test Connection");
-			$this->attach($test_button, 1, 2, $y1, $y2);
-			$test_button->connect_simple("clicked", array($this, 'test_conn'));
-		}
-	}
-
-	// --------------------------------------------------------------------------
-
 	/**
 	 * Set defaults for new database type
 	 *
@@ -350,6 +252,8 @@ class DB_Info_Widget extends GtkTable {
 
 	/**
 	 * Adds the database to the settings file
+	 *
+	 * @return void
 	 */
 	public function db_add()
 	{
@@ -383,6 +287,8 @@ class DB_Info_Widget extends GtkTable {
 
 	/**
 	 * Edit an existing database connection
+	 *
+	 * @return void
 	 */
 	public function db_edit()
 	{
@@ -419,6 +325,8 @@ class DB_Info_Widget extends GtkTable {
 
 	/**
 	 * Test a db connection, and display a popup with the result of the test
+	 *
+	 * @return void
 	 */
 	public function test_conn()
 	{
@@ -524,6 +432,7 @@ class DB_Info_Widget extends GtkTable {
 	 * @param string $vname
 	 * @param int &$y1
 	 * @param int &$y2
+	 * @return void
 	 */
 	private function _add_row($label, $vname, &$y1, &$y2)
 	{
@@ -538,5 +447,105 @@ class DB_Info_Widget extends GtkTable {
 		$this->attach($lblalign, 0, 1, ++$y1, ++$y2);
 		$this->attach($vname, 1, 2, $y1, $y2);
 	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Table layout
+	 *
+	 * @return void
+	 */
+	private function _layout()
+	{
+		// Reset defaults when changing db types
+		$this->dbtype->connect_simple("changed", array($this, "change_db"));
+
+		//Table attach
+		//$tbl->attach(left_start, right_stop, top_start, bottom_stop)
+
+		// Placeholder vars for y values, so that rows can be
+		// easily moved
+		$y1 = -1;
+		$y2 = 0;
+
+		// Connection name
+		{
+			$this->_add_row("Connection name", 'conn', $y1, $y2);
+		}
+
+		// Database type
+		{
+			$dbtypelbl = new GtkLabel("Database Type");
+			$typealign = new GtkAlignment(0, 0.5, 0, 0);
+			$typealign->add($dbtypelbl);
+			$this->attach($typealign, 0, 1, ++$y1, ++$y2);
+			$this->attach($this->dbtype, 1, 2, $y1, $y2);
+		}
+
+		// DB File
+		{
+			$this->_add_row("Database File", 'db_file', $y1, $y2);
+		}
+
+		// First Db
+		{
+			$this->_add_row("Database Name", 'conn_db', $y1, $y2);
+		}
+
+		// Host
+		{
+			$this->_add_row("Host", 'host', $y1, $y2);
+		}
+
+		// Port
+		{
+			$this->_add_row("Port", 'port', $y1, $y2);
+		}
+
+		// Username
+		{
+			$this->_add_row("User", 'user', $y1, $y2);
+		}
+
+		// Password
+		{
+			$this->_add_row("Password", 'pass', $y1, $y2);
+		}
+
+		// Add/Edit connection button
+		{
+			$conn_name = $this->conn->get_text();
+			$caption = (empty($conn_name)) ? 'Add Connection' : 'Update Connection';
+
+			$add_button = new GtkButton();
+			$add_button->set_label($caption);
+
+			( ! empty($conn_name))
+				? $add_button->set_image(GTKImage::new_from_stock(GTK::STOCK_SAVE,
+					GTK::ICON_SIZE_SMALL_TOOLBAR))
+				: $add_button->set_image(GTKImage::new_from_stock(GTK::STOCK_ADD,
+					Gtk::ICON_SIZE_SMALL_TOOLBAR));
+
+			$this->attach($add_button, 0, 1, ++$y1, ++$y2);
+
+			if ( ! empty($conn_name))
+			{
+				$add_button->connect_simple("clicked", array($this, 'db_edit'));
+			}
+			else
+			{
+				$add_button->connect_simple("clicked", array($this, 'db_add'));
+			}
+
+		}
+
+		// Test connection button
+		{
+			$test_button = new GtkButton();
+			$test_button->set_label("Test Connection");
+			$this->attach($test_button, 1, 2, $y1, $y2);
+			$test_button->connect_simple("clicked", array($this, 'test_conn'));
+		}
+	}
 }
 // End of db_info_widget.php
\ No newline at end of file
diff --git a/sys/widgets/db_tabs.php b/sys/widgets/db_tabs.php
index c9b1d61..8ea9cbd 100644
--- a/sys/widgets/db_tabs.php
+++ b/sys/widgets/db_tabs.php
@@ -71,6 +71,27 @@ class DB_tabs extends GTKNotebook {
 
 	// --------------------------------------------------------------------------
 
+	/**
+	 * Create popup window with table data
+	 *
+	 * @param GTKTreeView $view
+	 * @param array $path
+	 * @param GtkTreeviewColumn $col
+	 * @param Query_Builder $conn
+	 * @return void
+	 */
+	public function show_table_data($view, $path, $col, &$conn)
+	{
+		$table = $view->get(0);
+
+		$query = $conn->get($table);
+		$data = $query->fetchAll(PDO::FETCH_ASSOC);
+
+		return new DB_Table_data($data);
+	}
+
+	// --------------------------------------------------------------------------
+
 	/**
 	 * Create tabs for database aspects
 	 *
@@ -85,9 +106,9 @@ class DB_tabs extends GTKNotebook {
 		self::$instance->hide_all();
 
 		// 'Databases' Tab
-		{
+		/*{
 			self::_add_tab($conn, 'Databases', 'Db Name', 'get_dbs');
-		}
+		}*/
 
 		// 'Schemas' Tab
 		{
@@ -106,9 +127,15 @@ class DB_tabs extends GTKNotebook {
 		}
 
 		// 'System Tables' Tab
-		{
-			self::_add_tab($conn, 'System Tables', 'Table Name', 'get_system_tables');
-		}
+		/*{
+			self::_add_tab($conn, 'System Tables', 'Table Name', 'get_system_tables', array(
+				array(
+					'row-activated',
+					array(self::$instance, 'show_table_data'),
+					$conn
+				)
+			));
+		}*/
 
 		// 'Views' Tab
 		{
@@ -150,8 +177,11 @@ class DB_tabs extends GTKNotebook {
 
 	/**
 	 * Remove current tabs
+	 *
+	 * @param string $conn_name
+	 * @return void
 	 */
-	public static function reset()
+	public static function reset($conn_name = '')
 	{
 		self::$instance->hide_all();
 
@@ -160,6 +190,11 @@ class DB_tabs extends GTKNotebook {
 			self::$instance->remove_page($i);
 		}
 
+		if ( ! empty($conn_name))
+		{
+			unset(self::$instance->data->{$conn_name});
+		}
+
 		self::$instance->show_all();
 	}
 
@@ -182,18 +217,13 @@ class DB_tabs extends GTKNotebook {
 
 		$conn_name = $conn->conn_name;
 
-		if ( ! isset(self::$instance->data->{$conn_name}))
-		{
-			self::$instance->data->{$conn_name}= array();
-		}
+		$instance_data = self::$instance->_get_db_info($conn_name, $tab_name);
 
-		$instance_data =& self::$instance->data->{$conn_name};
-
-		$tab_data =  (empty($instance_data[$tab_name]))
+		$tab_data =  ($instance_data === FALSE)
 			? call_user_func_array(array($conn, $method), array())
-			: $instance_data[$tab_name];
+			: $instance_data;
 
-		$instance_data[$tab_name] = $tab_data;
+		self::$instance->_set_db_info($conn_name, $tab_name, $tab_data);
 
 		if ($tab_data !== FALSE)
 		{
@@ -236,18 +266,13 @@ class DB_tabs extends GTKNotebook {
 
 		$conn_name = $conn->conn_name;
 
-		if ( ! isset(self::$instance->data->{$conn_name}))
-		{
-			self::$instance->data->{$conn_name}= array();
-		}
+		$instance_data = self::$instance->_get_db_info($conn_name, $tab_name);
 
-		$instance_data =& self::$instance->data->{$conn_name};
-
-		$tab_data =  (empty($instance_data[$tab_name]))
+		$tab_data =  ($instance_data === FALSE)
 			? call_user_func_array(array($conn, $method), array())
-			: $instance_data[$tab_name];
+			: $instance_data;
 
-		$instance_data[$tab_name] = $tab_data;
+		self::$instance->_set_db_info($conn_name, $tab_name, $tab_data);
 
 		if ( ! empty($tab_data))
 		{
@@ -263,22 +288,42 @@ class DB_tabs extends GTKNotebook {
 	// --------------------------------------------------------------------------
 
 	/**
-	 * Create popup window with table data
+	 * Returns cached database data for the tab and connection specified
 	 *
-	 * @param GTKTreeView $view
-	 * @param array $path
-	 * @param GtkTreeviewColumn $col
-	 * @param Query_Builder $conn
-	 * @return void
+	 * @param type $conn_name
+	 * @param type $tab_name
+	 * @return mixed
 	 */
-	public function show_table_data($view, $path, $col, &$conn)
+	private function _get_db_info($conn_name, $tab_name)
 	{
-		$table = $view->get(0);
+		$data =& self::$instance->data;
 
-		$query = $conn->get($table);
-		$data = $query->fetchAll(PDO::FETCH_ASSOC);
+		if ( ! isset($data->{$conn_name}))
+		{
+			$data->{$conn_name}= array();
+			return FALSE;
+		}
 
-		return new DB_Table_data($data);
+		if ( ! isset($data->{$conn_name}[$tab_name]))
+		{
+			return FALSE;
+		}
+
+		return $data->{$conn_name}[$tab_name];
+	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Sets cached database data for the tab and connection specified
+	 *
+	 * @param type $conn_name
+	 * @param type $tab_name
+	 * @param type $data
+	 */
+	private function _set_db_info($conn_name, $tab_name, $data)
+	{
+		self::$instance->data->{$conn_name}[$tab_name] = $data;
 	}
 }
 // End of db_tabs.php
diff --git a/sys/windows/db_table_data.php b/sys/windows/db_table_data.php
index e0a7f3d..9e24b24 100644
--- a/sys/windows/db_table_data.php
+++ b/sys/windows/db_table_data.php
@@ -23,37 +23,26 @@ class DB_Table_Data extends GTKWindow {
 	{
 		parent::__construct();
 
-
 		$this->set_title("Table Data");
 		$this->set_position(Gtk::WIN_POS_CENTER_ALWAYS);
 		$this->set_destroy_with_parent(TRUE);
+
+		// Add the scrolled window
 		$this->win = new GTKScrolledWindow();
 		$this->win->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 		$this->add($this->win);
 
-		$this->_render($data);
-
 		// Resize to a sane size
-
 		$this->set_size_request(640, 480);
 
-
-	}
-
-	/**
-	 * Layout the window
-	 *
-	 * @param array $data
-	 * @return void
-	 */
-	protected function _render($data)
-	{
+		// Layout the widgets
 		$view = new Data_Grid();
 		$view->render_data($data);
 
 		// Add the grid to the window
 		$this->win->add_with_viewport($view);
 
+		// Show everything
 		$this->show_all();
 	}
 }
diff --git a/sys/windows/main.php b/sys/windows/main.php
index 9ec9be1..d54b590 100644
--- a/sys/windows/main.php
+++ b/sys/windows/main.php
@@ -59,6 +59,8 @@ class Main extends GtkWindow {
 
 	/**
 	 * Some cleanup for when the main window is closed
+	 *
+	 * @return void
 	 */
 	public function __destruct()
 	{
@@ -78,7 +80,9 @@ class Main extends GtkWindow {
 	// --------------------------------------------------------------------------
 
 	/**
-	 * Quits the GTK loop
+	 * Exits the GTK loop
+	 *
+	 * @return void
 	 */
 	public function quit()
 	{