Rename functions.py to functions.py.default

Since this is default settings and the user might want to customize
them, functions.py has been renamed. This also will prevent conflicts if
the user has updated their functions.py and then tries to pull.

functions.py.default

@@ -0,0 +1,8 @@
+import string
+import random
+
+
+def generate_name():
+    chars = string.ascii_letters + string.digits  # uppercase, lowercase, and numbers
+    name = ''.join((random.choice(chars) for i in range(8)))  # generate name
+    return name