Support more recent reedsolo packages

- https://github.com/tomerfiliba-org/reedsolomon/releases/tag/v1.6.1 - this seems to be related to licenses only.
- https://github.com/tomerfiliba-org/reedsolomon/releases/tag/v1.7.0 - this is related to installation.

Closes #872

setup.py

@@ -125,7 +125,7 @@ def find_version(*file_paths):
         "cryptography>=2.1.4,<40.0.0",
         "ecdsa>=0.16.0",
         "pyserial>=3.0",
-        "reedsolo>=1.5.3,<=1.6.0",
+        "reedsolo>=1.5.3,<1.8",
     ],
     packages=find_packages(),
     include_package_data=True,