Make stopwords sqlite compatible
Make stopwords sqlite compatible

sqlite doesn't support the multiple values syntax, so we have
to avoid it.

thorsten/phpMyFAQ,thorsten/phpMyFAQ,brianjking/phpMyFAQ,Chris--A/phpMyFAQ,Chris--A/phpMyFAQ,rogeriopradoj/phpMyFAQ-vagrant,brianjking/phpMyFAQ,thorsten/phpMyFAQ,thorsten/phpMyFAQ,rogeriopradoj/phpMyFAQ-vagrant,Chris--A/phpMyFAQ,Chris--A/phpMyFAQ,brianjking/phpMyFAQ,rogeriopradoj/phpMyFAQ-vagrant,brianjking/phpMyFAQ,rogeriopradoj/phpMyFAQ-vagrant