I had the same issues. I went out and grabbed the newest version, but didn't really do any good.
I've got a few hunder folders that have several levels. I eventually got mail moved (took days) but I had to use the --folderrec and manually do each folder. And, on top of that, if it errored out, I re-ran it. It continued on, but depending on how many levels the folder had, I may had to keep re-running until it completed.
I'm currently using version:
Ben Franklin quote:
"Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety."