Add PCAP utility routine for testing
diff --git a/rebar.config b/rebar.config
index 10d55cf..e6f23ee 100644
--- a/rebar.config
+++ b/rebar.config
@@ -1 +1,4 @@
 {sub_dirs, ["rel"]}. 
+{deps, [
+        {epcap, "0.03", {git, "git://git.osmocom.org/erlang/epcap", "master"}}
+	]}.