NO .info file included in module, rendering it inoperable in 5.0, other errors

Issue Summary

NO info file... I created one and get this error...

DRupal 5.0 RC1

* warning: Invalid argument supplied for foreach() in /home/kutoka/public_html/modules/week/week.module on line 23.
* warning: implode(): Bad arguments. in /home/kutoka/public_html/modules/week/week.module on line 27.
* user warning: You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near ') GROUP BY weekno ORDER BY weekno DESC' at line 1 query: SELECT YEARWEEK(FROM_UNIXTIME(changed),0) AS weekno FROM node n WHERE n.type IN () GROUP BY weekno ORDER BY weekno DESC in /home/kutoka/public_html/includes/database.mysql.inc on line 167.