test on some more perl versions

diff --git a/.travis.yml b/.travis.yml
index 38e431f..03f2783 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,7 @@
 language: perl
 perl:
+  - "5.18"
+  - "5.12.5"
   - "5.8.4"
   - "5.8.4_thr"
 before_install: