Added mode parameter to WEEK
Added mode parameter to WEEK

I've added the mode parameter to the WEEK mysql function

http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_week
pelex/DoctrineExtensions,enumag/DoctrineExtensions,zilionis/DoctrineExtensions,tarjei/DoctrineExtensions,n1889/DoctrineExtensions,pnvasanth/DoctrineExtensions,nimasdj/DoctrineExtensions