superglobals.php: Minor style fixes

- Insert spaces inside parenthesise: func( $arg );
- No newline at end of file!
query.php: Use protected variables in StringMatch

Can you guess what the next commit will be??

Issue #211.
query.php: Inherit StringNotMatch from StringMatch

Boom! Let's use some of those protected variables from the last commit.

Issue #211.
Merge branch 'issue/211'