Fix prefix_add()
Fix prefix_add()

Now using edit function for adding prefix.. it's done in two stages,
first adding the prefix and the doing edit on it. This is two have a
common edit function since there are more than one way of adding a
prefix.

ettrig/NIPAP,plajjan/NIPAP,SoundGoof/NIPAP,fredsod/NIPAP,garberg/NIPAP,ettrig/NIPAP,SpriteLink/NIPAP,garberg/NIPAP,fredsod/NIPAP,garberg/NIPAP,SpriteLink/NIPAP,ettrig/NIPAP,fredsod/NIPAP,garberg/NIPAP,garberg/NIPAP,SpriteLink/NIPAP,SoundGoof/NIPAP,bbaja42/NIPAP,plajjan/NIPAP,SpriteLink/NIPAP,plajjan/NIPAP,bbaja42/NIPAP,plajjan/NIPAP,SoundGoof/NIPAP,plajjan/NIPAP,bbaja42/NIPAP,SoundGoof/NIPAP,plajjan/NIPAP,fredsod/NIPAP,bbaja42/NIPAP,ettrig/NIPAP,SoundGoof/NIPAP,ettrig/NIPAP,fredsod/NIPAP,SoundGoof/NIPAP,ettrig/NIPAP,bbaja42/NIPAP,garberg/NIPAP,SpriteLink/NIPAP,SpriteLink/NIPAP,fredsod/NIPAP,bbaja42/NIPAP