Add node 12 to tested versions

mAAdhaTTah · mAAdhaTTah · commit bf032ef7945b · 2019-12-15T18:42:41.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,3 +6,4 @@ node_js:
   - 6
   - 8
   - 10
+  - 12

-Original file line number
+Diff line change
   - 6
   - 8
   - 10
 +  - 12