release_notes.md in appium_lib-0.5.12 vs release_notes.md in appium_lib-0.5.13

@@ -1,4 +1,10 @@
+#### v0.5.12 2013-06-18
+
+- [89b0902](https://github.com/appium/ruby_lib/commit/89b0902ed94ed43d8a9f0e364463da77015dcfb7) Release 0.5.12
+- [7c4e8d1](https://github.com/appium/ruby_lib/commit/7c4e8d16d909112cebd2a80f0d8140723efd644a) search_id, search_value replaced with xml_keys, xml_values
+
+
 #### v0.5.11 2013-06-18
 
 - [891e003](https://github.com/appium/ruby_lib/commit/891e003748038a006121c8a4e0c702c12c405799) Release 0.5.11
 - [5e7f381](https://github.com/appium/ruby_lib/commit/5e7f381aa8fc4b64af9103beae67cfc2fc310484) WebView is not a widget
 - [830c3fb](https://github.com/appium/ruby_lib/commit/830c3fb07e01da64a6934a9a0868861a67326f4f) Add search value
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