Merge pull request #1659 from alejoe91/fix-maxwell-io

Fix Maxwell IO

Author: zm711

neo/rawio/maxwellrawio.py

@@ -78,7 +78,7 @@ def _parse_header(self):
         signal_streams = []
         if int(version) == 20160704:
             self._old_format = True
-            signal_streams.append(("well000", "well000"))
+            signal_streams.append(("well000", "well000", "well000"))
         elif int(version) > 20160704:
             # multi stream stream (one well is one stream)
             self._old_format = False