Update api_response.py

[LohithNarayan]

Code change from
# message = message + ' (and additional error happened during JSON parse: ' + e.message + ')'

message = message + ' (and additional error happened during JSON parse: ' + str(e) + ')'

n Python 3.x and modern versions of Python 2.x use except Exception as e instead of except Exception, e:

[tylerlong]

n Python 3.x and modern versions of Python 2.x use except Exception as e instead of except Exception, e:

I don't quite understand this sentence. And you didn't change except Exception as e or except Exception, e.

Since we are trying to fix an issue of fax sending(#54). We need some testing code (either unit tests or a separate demo project) to verify that fax is working.

[tylerlong]

Since #64 is working fine. Is this PR still necessary?