add some missing auto-deletes if refcount reaches zero

app/Models/Table.php

@@ -38,8 +38,15 @@ class Table extends Model
         parent::boot();
 
         static::deleting(function(Table $self) {
-            // update refcounts
+            // update revision refcounts
             $self->revisions()->decrement('refs');
+
+            $self->reportsOf()->delete();
+
+            // delete revisions with zero refs (manually, to properly cascade to rows)
+            foreach ($self->revisions()->where('refs', '<=', 0)->get() as $rev) {
+                $rev->delete();
+            }
         });
     }