Added usage to readme, changed get_random_alphanumerical

Author: mbrill-nt

README.md

@@ -10,7 +10,7 @@ pip install -r requirements.txt
 ## Running the Script
 The script can be simply run with:
 ```bash
-python run.py
+python run.py [-h] --config *path-to-config.yml* --bind *path-to-bind-csv* [--dry-run]
 ```
 
 ## Usage

script/helpers.py

@@ -8,7 +8,7 @@ def get_random_alphanumerical():
     Creates a random alphanumerical string with a length of 16 characters.
     :return: A random alphanumerical string with a length of 16 characters.
     """
-    return ''.join(random.choices(string.ascii_letters + string.digits, k=16))
+    return ''.join(random.choice(string.ascii_uppercase + string.ascii_lowercase + string.digits) for _ in range(16))
 
 
 def lock():