.gitignore in ppc-1.0.6 vs .gitignore in ppc-1.3.0

@@ -1,28 +1,36 @@
 *.gem
 *.rbc
-.bundle
-.config
-.yardoc
-Gemfile.lock
-InstalledFiles
-_yardoc
-coverage
-doc/
-lib/bundler/man
-pkg
-rdoc
-spec/reports
-test/tmp
-test/version_tmp
-tmp
-*.bundle
-*.so
-*.o
-*.a
-mkmf.log
+/.config
+/coverage/
+/InstalledFiles
+/pkg/
+/spec/reports/
+/test/tmp/
+/test/version_tmp/
+/tmp/
 
-.DS_Store
+## Specific to RubyMotion:
+.dat*
+.repl_history
+build/
 
-.tags
+## Documentation cache and generated files:
+/.yardoc/
+/_yardoc/
+/doc/
+/rdoc/
 
-.tags_sorted_by_file
+## Environment normalisation:
+/.bundle/
+/lib/bundler/man/
+
+# for a library or gem, you might want to ignore these files since the code is
+# intended to run in multiple environments; otherwise, check them in:
+# Gemfile.lock
+# .ruby-version
+# .ruby-gemset
+
+# unless supporting rvm < 1.11.0 or doing something fancy, ignore this:
+.rvmrc
+
+