Enhancement - tags

- Added usage count to the tags report.
- Filled in some missing details in ChangeLog.
- Removed extraneous "srandom" call.

ChangeLog

@@ -39,6 +39,7 @@
  + New, more flexible, more consistent, grep-able file format.
  + If task is renamed to "cal", or there is a symlink to task called "cal",
    then task can act as a replacement for the Unix "cal" command.
+ + The "tags" report now shows the tag usage count.
 
 Add:
   att mods
@@ -49,10 +50,15 @@ Add:
   wait:
   report.waiting
   report.all
-  debug mode
   new colorization support
   many, many new unit tests
 
+ + Now supports a debug mode that can be used to generate helpful information
+   when reporting a problem.  Just run the command with "task rc.debug:on ..."
+   and diagnostics will be generated that will help pinpoint a problem.
+ + The new "undo" command replaces the old "undo" and "undelete" command
+   with a complete undo stack that can rollback all changes.
+
 ------ old releases ------------------------------
 
 1.7.1 (6/8/2009)