updating logging TODO

logging/TODO

@@ -3,6 +3,9 @@
   https://golang.org/pkg/runtime/#Caller
   -- log.LlongFile and log.Lshortfile flags don't currently work properly for StdLogger/FileLogger; they refer to the file in logging package rather than the caller.
 
+- StdLogger2; where stdout and stderr are both logged to depending on severity level.
+  - make configurable via OR bitmask
+
 - Suport remote loggers? (eventlog, syslog, systemd)
 
 - JSON logger? YAML logger? XML logger?