.gitignore in in_threads-1.1.1 vs .gitignore in in_threads-1.1.2

@@ -1,11 +1,13 @@
 /pkg/
+/*.gem
 
 /doc/
 /rdoc/
 /.yardoc/
 /coverage/
 
+Gemfile.lock
 Makefile
 *.o
 *.bundle
 /tmp/