Test file processing for batch processing

Change-Id: If63eb7e835c283a4a09e807aa4e285d84755c214
diff --git a/Makefile.PL b/Makefile.PL
index 8e659d4..b4bdacb 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -21,6 +21,7 @@
     'Array::IntSpan'  => 2.003,
     'List::MoreUtils' => 0.33,
     'Parallel::ForkManager' => 1.17,
+    'IO::Compress::Gzip' => 2.069,
     'IO::Dir::Recursive' => 0.03,
     'File::Temp'      => 0,
     'Directory::Iterator' => 0,