Document that farmOS ^1.6 is required.

Author: paul121

README.md

@@ -163,7 +163,7 @@ info = farm_client.info()
 
 ### Client methods
 
-farmOS.py can connect to farmOS servers running version 1.x or 2.x. The version should be specified when instantiating
+farmOS.py can connect to farmOS servers running version ^1.6 or 2.x. The version should be specified when instantiating
 the farmOS client, see [Authentication](#authentication).
 
 Because of [API changes](https://2x.farmos.org/development/api/changes/) in farmOS 2.x, the client provides different

farmOS/__init__.py

@@ -83,7 +83,6 @@ def __init__(
             raise Exception("No hostname provided and could not be loaded from config.")
 
         logger.debug("Creating an OAuth Session.")
-        # TODO: Document that this token path requires farmOS v1.6
         # OR implement a method to check both token paths.
         # maybe version can default to none, and check the server?
         token_url = hostname + "/oauth/token"