Extending .travis.yml for CI

Author: olekscode

.travis.yml

@@ -4,7 +4,7 @@ sudo: false
 # Select operating system(s)
 os:
   - linux
-#  - osx
+  - osx
 
 # Select compatible Smalltalk image(s)
 smalltalk:
@@ -15,17 +15,17 @@ smalltalk:
 #  - Squeak-4.5
 
 #  - Pharo-alpha
-#  - Pharo-stable
+  - Pharo-stable
 #  - Pharo-7.0
   - Pharo-6.0
-#  - Pharo-5.0
+  - Pharo-5.0
 #  - Pharo-4.0
 #  - Pharo-3.0
 
 #  - Pharo64-alpha
-#  - Pharo64-stable
+  - Pharo64-stable
 #  - Pharo64-7.0
-#  - Pharo64-6.0
+  - Pharo64-6.0
 
 #  - GemStone-3.3.0
 #  - GemStone-3.2.12