lib/dtutils.lua - changed log message to error on fail to load. Added

                  printing of the returned error.

Author: wpferguson

lib/dtutils.lua

@@ -180,11 +180,12 @@ dtutils.libdoc.functions["prequire"] = {
 }
 
 function dtutils.prequire(req_name)
-  local status, lib = pcall(require, req_name)
+  local status, lib = pcall(require, san_req_name)
   if status then
     log.msg(log.info, "Loaded " .. req_name)
   else
-    log.msg(log.info, "Error loading " .. req_name)
+    log.msg(log.error, "Error loading " .. req_name)
+    log.msg(log.error, "Error returned is " .. lib)
   end
   return status, lib
 end