Little cleanup, only add comma to has table if there is actually data to add.
Little cleanup, only add comma to has table if there is actually data to add.

hansjoachim/fitnesse,amolenaar/fitnesse,hansjoachim/fitnesse,jdufner/fitnesse,rbevers/fitnesse,rbevers/fitnesse,amolenaar/fitnesse,jdufner/fitnesse,rbevers/fitnesse,hansjoachim/fitnesse,jdufner/fitnesse,amolenaar/fitnesse