[BUG] Catch ChunkError

[dirtycajunrice]

Exception in thread Thread-1:
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/urllib3/response.py", line 601, in _update_chunk_length
    self.chunk_left = int(line, 16)
ValueError: invalid literal for int() with base 16: b''

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/urllib3/response.py", line 360, in _error_catcher
    yield
  File "/usr/local/lib/python3.7/site-packages/urllib3/response.py", line 666, in read_chunked
    self._update_chunk_length()
  File "/usr/local/lib/python3.7/site-packages/urllib3/response.py", line 605, in _update_chunk_length
    raise httplib.IncompleteRead(line)
http.client.IncompleteRead: IncompleteRead(0 bytes read)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/requests/models.py", line 750, in generate
    for chunk in self.raw.stream(chunk_size, decode_content=True):
  File "/usr/local/lib/python3.7/site-packages/urllib3/response.py", line 490, in stream
    for line in self.read_chunked(amt, decode_content=decode_content):
  File "/usr/local/lib/python3.7/site-packages/urllib3/response.py", line 694, in read_chunked
    self._original_response.close()
  File "/usr/local/lib/python3.7/contextlib.py", line 130, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/local/lib/python3.7/site-packages/urllib3/response.py", line 378, in _error_catcher
    raise ProtocolError('Connection broken: %r' % e, e)
urllib3.exceptions.ProtocolError: ('Connection broken: IncompleteRead(0 bytes read)', IncompleteRead(0 bytes read))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.7/threading.py", line 917, in _bootstrap_inner
    self.run()
  File "/usr/local/lib/python3.7/threading.py", line 865, in run
    self._target(*self._args, **self._kwargs)
  File "/app/Varken.py", line 34, in thread
    a = job()
  File "/app/varken/radarr.py", line 28, in get_missing
    get = connection_handler(self.session, req, self.server.verify_ssl)
  File "/app/varken/helpers.py", line 119, in connection_handler
    get = s.send(r, verify=v)
  File "/usr/local/lib/python3.7/site-packages/requests/sessions.py", line 686, in send
    r.content
  File "/usr/local/lib/python3.7/site-packages/requests/models.py", line 828, in content
    self._content = b''.join(self.iter_content(CONTENT_CHUNK_SIZE)) or b''
  File "/usr/local/lib/python3.7/site-packages/requests/models.py", line 753, in generate
    raise ChunkedEncodingError(e)
requests.exceptions.ChunkedEncodingError: ('Connection broken: IncompleteRead(0 bytes read)', IncompleteRead(0 bytes read))

Looks like we need to catch this in helpers.py