.gitignore in arduino_firmata-0.3.1 vs .gitignore in arduino_firmata-0.3.2

@@ -3,9 +3,10 @@
 *~
 *#*
 vendor
 .sass-cache
 .bundle
+.ruby-version
 config.yml
 *.gem
 *.rbc
 .config
 .yardoc
\ No newline at end of file