Implement users command to see the mutual users of one or more channels and squash some bugs

commands/users.py

@@ -0,0 +1,25 @@
+import main
+import modules.userinfo as userinfo
+
+class Users:
+    def __init__(self, register):
+        register("users", self.users)
+
+    def users(self, addr, authed, data, obj, spl, success, failure, info, incUsage, length):
+        if authed:
+            if len(spl) < 2:
+                incUsage("users")
+                return
+            result = userinfo.getUsers(spl[1:])
+            rtrn = ""
+            for i in result.keys():
+                rtrn += "Matches from: %s" % i
+                rtrn += "\n"
+                for x in result[i]:
+                    rtrn += (x)
+                    rtrn += "\n"
+                rtrn += "\n"
+            info(rtrn)
+            return
+        else:
+            incUsage(None)