stopped preforking server, random fork timing for less resource
added :latest test
Checking in changes prior to tagging of version 0.04.

Changelog diff is:

diff --git a/Changes b/Changes
index f896bae..e702e14 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,10 @@
 Revision history for Perl extension App::derived

+0.04    Thu Feb 14 11:28:37 2013
+        - randomize timing of starting command worker
+        - stopped use preforking server
+        - can get last values with ':latest' suffix
+
 0.03    Tue Feb 12 23:32:27 2013
         - initialize persec with 0E0.
           IF there is no previous data to calculate rate, the server returns "0E0"