Documentation Update

- Brought the ChangeLog up to date with recent multiple bug closings.

ChangeLog

@@ -43,8 +43,9 @@
  + Added feature #330, which supports the 'inverse' color attribute.
  + Added feature #340, which implements new color rules 'color.completed' and
    'color.deleted'.
- + Added feature #422, which allows task modifications during 'done', 'delete',
-   'start' and 'stop' commands.
+ + Added feature #422, #566 and #639, which allow task modifications during
+   'done', 'delete', 'start', 'stop' and 'duplicate' commands (thanks to Max
+   Muller).
  + Added feature #479, which enables filtering for the 'calendar' command.
  + Added feature #496, which allows rc.default.command to be supplemented with
    a filter, so that 'task project:Home' applies the project filter to the
@@ -60,6 +61,9 @@
  + Added feature #559, that causes Taskwarrior to exit if the ~/.task (or
    rc.data.location override) does not exist, controlled by the
    rc.exit.on.missing.db configuration variable (thanks to Sander Marechal).
+ + Added feature #612, so that the 'info' command displays the sum of all
+   active (start/stop) times for a task, if the 'journal.info' configuration
+   variable is set (thanks to Andy Kriger).
  + Added feature #657 & #658, using the 'ids' command, tasks matching a filter
    can now be modified as a group (thanks to Bryce Harrington, Eric Fluger).
  + Added feature #679, which makes color rules match project names in a left-