.gitignore in pwm-1.2.2 vs .gitignore in pwm-1.2.3

@@ -1,7 +1,10 @@
-*.gem
-.bundle
-Gemfile.lock
-pkg/*
-.ruby-version
-vendor
-coverage
+/.bundle/
+/.yardoc
+/Gemfile.lock
+/_yardoc/
+/coverage/
+/doc/
+/pkg/
+/spec/reports/
+/tmp/
+/vendor/