Set up Pharo 6.1 build

marschall · marschall · commit aecb1f5aed1e · 2017-09-08T10:38:42.000+02:00
Fixes #39
diff --git a/.travis.yml b/.travis.yml
@@ -2,6 +2,7 @@ language: smalltalk
 sudo: false
 smalltalk:
   - Pharo-alpha
+  - Pharo-6.1
   - Pharo-6.0
   - Pharo-5.0
   - Pharo-4.0
