Rara.com has been mighty busy since its luddite-friendly music streaming service launched at the end of last year, and now it's reporting the outcome of those 10 months of toil. In addition to an improved web experience and new Android widget, an AirPlay-compatible app for iOS is now available, with software for Windows 8 arriving alongside its launch. Rara's 18 million tracks haven't only invaded other platforms, but ot