QtQR crashes after scanning certain URL QR Code

[林博仁(Buo-ren, Lin)]

Console output:

```
$ qtqr
in ZBar Processor data_handler:
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/qrtools.py", line 238, in my_handler
    self.data_type = self.data_recognise()
  File "/usr/lib/python2.7/dist-packages/qrtools.py", line 99, in data_recognise
    if data_lower.startswith(u"http://") or data_lower.startswith(u"https://"): return u'url'
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe4 in position 2: ordinal not in range(128)
python: /build/zbar-C1mOhn/zbar-0.10+doc/zbar/error.h:148：err_capture: Assertion "err->magic == ERRINFO_MAGIC" failed.
Terminated (Core dumped)
```

The source image is attached.
QtQR version 1.4~bzr23-1 from cosmic archive

[Ramiro Algozino (algozino)]

Hello!

Thank you for reporting this issue. I see that you are using an old version of QtQR. Could please try again installing the latest version from QR Tools Daily PPA and see if you still can reproduce the error??

Link to Daily PPA:
https://launchpad.net/~qr-tools-developers/+archive/ubuntu/daily

[林博仁(Buo-ren, Lin) (buo-ren-lin)]

The version from the Daily PPA works, thanks for helping!