Unable to convert Stan Sakai's main.json to rtf

[rickeyathome]

Platform: Windows 10
rtfcre ver: 2.0.1

Steps:

1. Download Stan Sakai's main.json
2. Try to convert to rtf via CLI
3. "thread 'main' has overflowed its stack"

[mattyleecifer]

I'm also having this issue with a custom plover JSON dictionary.