Fix SQL for saving boolean values

Note that the changes in Callbacks.php didn't solve the problem
and may not be necessary, but should be fine anyway.

Author: mc2contributor

QuickBooks/Callbacks/SQL/Callbacks.php

@@ -3820,20 +3820,9 @@ protected static function _AddRequest($type, $Object, $requestID, $user, $action
 
 							break;
 						case 'BOOLTYPE':
-
-							if ($value == 1)
-							{
-								$value = 'true';
-							}
-							else if ($value == 0)
-							{
-								$value = 'false';
-							}
-							else
-							{
+							if ($value != 0 && $value != 1) {
 								$use_in_request = false;
 							}
-
 							break;
 						default:
 							break;
@@ -3914,20 +3903,9 @@ protected static function _AddRequest($type, $Object, $requestID, $user, $action
 
 							break;
 						case 'BOOLTYPE':
-
-							if ($value == 1)
-							{
-								$value = 'true';
-							}
-							else if ($value == 0)
-							{
-								$value = 'false';
-							}
-							else
-							{
+							if ($value != 0 && $value != 1) {
 								$use_in_request = false;
 							}
-
 							break;
 						default:
 							break;
@@ -4209,20 +4187,9 @@ protected static function _ChildObjectsToXML($type, $action, $children, $parentP
 
 								break;
 							case 'BOOLTYPE':
-
-								if ($value == 1)
-								{
-									$value = 'true';
-								}
-								else if ($value == 0)
-								{
-									$value = 'false';
-								}
-								else
-								{
+								if ($value != 0 && $value != 1) {
 									$use_in_request = false;
 								}
-
 								break;
 							default:
 								break;
@@ -4260,20 +4227,9 @@ protected static function _ChildObjectsToXML($type, $action, $children, $parentP
 
 								break;
 							case 'BOOLTYPE':
-
-								if ($value == 1)
-								{
-									$value = 'true';
-								}
-								else if ($value == 0)
-								{
-									$value = 'false';
-								}
-								else
-								{
+								if ($value != 0 && $value != 1) {
 									$use_in_request = false;
 								}
-
 								break;
 							default:
 								break;

QuickBooks/Driver/Sql.php

@@ -3714,7 +3714,9 @@ public function insert($table, $object, $discov_and_resync = true)
 	 */
 	protected function fmtValue($field,$value) {
 		if (is_null($value)) $sql = 'NULL';
-		elseif (is_numeric($value)) {
+		elseif (is_numeric($value) ||
+			(!strncmp($field,'Is',2) && ($value == 'true' || $value == 'false')))
+		{
 			$sql = $value;
 		}
 		elseif (!strncmp($field,'Time',4)) {