Add pop method.

Lib/UserList.py

@@ -43,6 +43,7 @@ class UserList:
 	__rmul__ = __mul__
 	def append(self, item): self.data.append(item)
 	def insert(self, i, item): self.data.insert(i, item)
+	def pop(self, i=-1): return self.data.pop(i)
 	def remove(self, item): self.data.remove(item)
 	def count(self, item): return self.data.count(item)
 	def index(self, item): return self.data.index(item)