Update changelog items.

ChangeLog

@@ -8,6 +8,8 @@ What's new in version 1.0.3
   (thanks to Jann Horn)
 * Further performance improvements due to conditional parsing
   of IO data depending on selected fields.
+* Better consistency in coloring.
+* Increase limit of buffer when tracing a deep nested process tree.
 * BUGFIX: Fix crash when adding meters and toggling detailed CPU time.
   (thanks to Dawid Gajownik)
 * Add column to track the OOM-killer score of processes