Update library/Zend/Db/Sql/Select.php

The characters '<' and '>' should be not escaped in the ON part of a JOIN clause
Extended testing of ON part of JOIN clause

Added testing for keyword ON and comparison operators < > <= >=
Fixed typo
Correctly append label in FormRow if element has id
Fix
[Code] Removed undefined var $annotationMode
fix #3523: Missing 'zendframework/zend-stdlib' as requirement on components using it