Crash

```
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: INFO:root:JulianaNFC v3.2 (By Kevin Alberts, I.C.T.S.V. Inter-/Actief/)
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: INFO:root:Support: www@inter-actief.net
Dec 22 20:31:29 hustler.ia.utwente.nl juliana_nfc[3561]: Failed to load module "colorreload-gtk-module"
Dec 22 20:31:29 hustler.ia.utwente.nl juliana_nfc[3561]: Failed to load module "window-decorations-gtk-module"
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: INFO:nfc.clf:searching for reader on path usb
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: * Serving Flask app 'juliana' (lazy loading)
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: * Environment: production
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: WARNING: This is a development server. Do not use it in a production deployment.
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: Use a production WSGI server instead.
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: * Debug mode: off
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: INFO:werkzeug:WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: * Running on http://127.0.0.1:3000
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: INFO:werkzeug:Press CTRL+C to quit
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: Exception in thread Thread-2:
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: Traceback (most recent call last):
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: File "juliana.py", line 200, in run
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: File "nfc/clf/__init__.py", line 149, in open
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: File "nfc/clf/device.py", line 89, in connect
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: File "nfc/clf/transport.py", line 230, in __init__
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: File "nfc/clf/transport.py", line 287, in open
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: File "usb1/__init__.py", line 1146, in claimInterface
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: File "usb1/__init__.py", line 127, in mayRaiseUSBError
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: File "usb1/__init__.py", line 119, in raiseUSBError
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: usb1.USBErrorNotFound: LIBUSB_ERROR_NOT_FOUND [-5]
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: During handling of the above exception, another exception occurred:
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: Traceback (most recent call last):
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: File "threading.py", line 1016, in _bootstrap_inner
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: File "juliana.py", line 214, in run
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: File "traceback.py", line 183, in format_exc
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: File "traceback.py", line 135, in format_exception
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: File "traceback.py", line 502, in __init__
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: File "traceback.py", line 357, in extract
Dec 22 20:31:29 hustler.ia.utwente.nl sh[3561]: TypeError: '>=' not supported between instances of 'USBErrorNotFound' and 'int'
```