UNION scan of remainder looks too deep for parentheses (#293)
UNION scan of remainder looks too deep for parentheses (#293)

* Only look at top level parentheses when looking for select statement embedded in union

* Update UnionProcessor.php

Co-authored-by: Juan C. Gatica <a44ab8eea8e871d67014661049943017c07e1466@kace.com>
Co-authored-by: Justin Swanhart <74bb12057b2b0e3c0efa02d11622f198958328bb@gmail.com>
greenlion/PHP-SQL-Parser,greenlion/PHP-SQL-Parser