Update rex-exploitation to 0.1.13

Author: wvu

Gemfile.lock

@@ -299,7 +299,7 @@ GEM
       metasm
       rex-arch
       rex-text
-    rex-exploitation (0.1.12)
+    rex-exploitation (0.1.13)
       jsobfu
       metasm
       rex-arch

LICENSE_GEMS

@@ -90,7 +90,7 @@ rex-arch, 0.1.4, "New BSD"
 rex-bin_tools, 0.1.2, "New BSD"
 rex-core, 0.1.9, "New BSD"
 rex-encoder, 0.1.3, "New BSD"
-rex-exploitation, 0.1.12, "New BSD"
+rex-exploitation, 0.1.13, "New BSD"
 rex-java, 0.1.4, "New BSD"
 rex-mime, 0.1.4, "New BSD"
 rex-nop, 0.1.0, unknown