Few more PHP Warnings to clean up

Warning: Declaration of Settings_Workflows_Record_Model::getInstance($workflowId) should be compatible with Settings_Vtiger_Record_Model::getInstance($name = 'Settings:V...') in /var/www/html/vt711/modules/Settings/Workflows/models/Record.php on line 17

Warning:  Declaration of Users_Field_Model::getDisplayValue($value, $recordId = false) should be compatible with Vtiger_Field_Model::getDisplayValue($value, $record = false, $recordInstance = false) in /var/www/html/vt711/modules/Users/models/Field.php on line 183

Warning:  Declaration of PriceBooks_Module_Model::getExportQuery($focus, $query) should be compatible with Vtiger_Module_Model::getExportQuery($where) in /var/www/html/vt711/modules/PriceBooks/models/Module.php on line 186

Warning: Declaration of Inventory_Module_Model::getExportQuery($focus, $query) should be compatible with Vtiger_Module_Model::getExportQuery($where) in /var/www/html/vt711/modules/Inventory/models/Module.php on line 136

Warning:  Declaration of Products_Module_Model::getExportQuery($focus, $query) should be compatible with Vtiger_Module_Model::getExportQuery($where) in /var/www/html/vt711/modules/Products/models/Module.php on line 278

Warning:  Declaration of Documents::get_related_list($id, $cur_tab_id, $rel_tab_id) should be compatible with CRMEntity::get_related_list($id, $cur_tab_id, $rel_tab_id, $actions = false) in /var/www/html/vt711/modules/Documents/Documents.php on line 579

Warning:  Declaration of Activity::get_full_list($criteria) should be compatible with CRMEntity::get_full_list($order_by = '', $where = '') in /var/www/html/vt711/modules/Calendar/Activity.php on line 1172

Warning: Declaration of EmailTemplates_Module_Model::deleteRecord(EmailTemplates_Record_Model $recordModel) should be compatible with Vtiger_Module_Model::deleteRecord(Vtiger_Record_Model $recordModel) in /var/www/html/vt711/modules/EmailTemplates/models/Module.php on line 366

Warning:  Declaration of Portal_Module_Model::saveRecord($recordId, $bookmarkName, $bookmarkUrl) should be compatible with Vtiger_Module_Model::saveRecord(Vtiger_Record_Model $recordModel) in /var/www/html/vt711/modules/Portal/models/Module.php on line 111

Warning: Declaration of Home_Module_Model::getCalendarActivities($mode, $pagingModel, $user) should be compatible with Vtiger_Module_Model::getCalendarActivities($mode, $pagingModel, $user, $recordId = false) in /var/www/html/vt711/modules/Home/models/Module.php on line 291