v1.9.6

FIXED:
* More clear docs for bitmask
* Resolved potential issue for using PriorityAll in
  logging.logPrio.HasFlag.

logging/funcs_logprio.go

@@ -17,7 +17,9 @@ func (l *logPrio) HasFlag(prio logPrio) (hasFlag bool) {
 	m = bitmask.NewMaskBitExplicit(uint(*l))
 	p = bitmask.NewMaskBitExplicit(uint(prio))
 
-	hasFlag = m.HasFlag(*p)
+	// Use IsOneOf instead in case PriorityAll is passed for prio.
+	// hasFlag = m.HasFlag(*p)
+	hasFlag = m.IsOneOf(*p)
 
 	return
 }