Implement EF.ARR (Access Rule Reference) decoding

The Access Mode (AM) and Security Condition (SC) DOs are incredibly
convoluted, so we need a lot of code to properly decode them.

Change-Id: If4f0725a849d41fd93de327ed00996d8179f2b0e

setup.py

@@ -15,6 +15,7 @@ setup(
         "cmd2 >= 1.3.0",
         "jsonpath-ng",
         "construct >= 2.9",
+        "bidict",
     ],
     scripts=[
         'pySim-prog.py',