.gitignore in eco-helpers-0.6.17 vs .gitignore in eco-helpers-0.7.1

@@ -1,15 +1,34 @@
+# it's a gem, ignore the lockfile
+Gemfile.lock
+
+# build artifacts
 *.gem
+/.bundle/
+/vendor/bundle
+/spec/reports/
+/tmp/
+/pkg/
+
+# docs
+/.yardoc
+/_yardoc/
+/coverage/
+/doc/
+
+# rspec failure tracking
+.rspec_status
+scratch.rb