Update QueryTableParser.php

Updated parse to handle old style joins where the join key word isn't used an commas are used instead:

Example:
SELECT * FROM tableA, tableB WHERE tableA.id = tableB.id;
VS.
SELECT * FROM tableA JOIN tableB ON tableA.id = tableB.id;
Merge pull request #102 from bbercovich/patch-1

Update QueryTableParser.php

Fixed issue where it didn't handle comma-style joins correctly.