+ /** Create a new command.
+ * @param Instance Pointer to creator class
+ * @param cmd Command name. This must be UPPER CASE.
+ * @param flags User modes required to execute the command.
+ * For oper only commands, set this to 'o', otherwise use 0.
+ * @param minpara Minimum parameters required for the command.
+ * @param before_reg If this is set to true, the command will
+ * be allowed before the user is 'registered' (has sent USER,
+ * NICK, optionally PASS, and been resolved).
+ */