wrap* funcs: convert input args to a list, so that pop(0) always works

classes.py

@@ -876,6 +876,7 @@ class Irc():
 
         last_prefix = '+'
         orig_modes = modes.copy()
+        modes = list(modes)
         while modes:
             # PyLink mode lists come in the form [('+t', None), ('-b', '*!*@someone'), ('+l', 3)]
             # The +/- part is optional depending on context, and should either:

utils.py

@@ -492,6 +492,8 @@ def wrapArguments(prefix, args, length, separator=' '):
 
     buf = prefix
 
+    args = list(args)
+
     while args:
         assert len(prefix+args[0]) <= length, \
             "wrapArguments: Argument %r is too long for the given length %s" % (args[0], length)