progress in removing core

onionr/onionrcrypto/cryptoutils/randomshuffle.py

@@ -0,0 +1,13 @@
+import secrets
+def random_shuffle(theList):
+    myList = list(theList)
+    shuffledList = []
+    myListLength = len(myList) + 1
+    while myListLength > 0:
+        removed = secrets.randbelow(myListLength)
+        try:
+            shuffledList.append(myList.pop(removed))
+        except IndexError:
+            pass
+        myListLength = len(myList)
+    return shuffledList