"url" command, suggested by Jeremy Hussell

Introducing a new YubNub core command, url, which will help people who are experimenting with chaining YubNub commands together (like Sean O'Hagan and Erik Kastner).

url simply converts a YubNub command into a URL. For example,

url gim porsche 911

displays the following text:

http://images.google.com/images?q=porsche+911

For the syntax for combining commands, I will probably go with Jeremy Hussell's suggestion of { curly brackets }. I envision it working both at "compile time" and at "runtime"; that is, both in the Add Command screen and at the YubNub command line. Tony Pitale has suggested a "today" command, and this would be a perfect application, both at compile time and runtime: {today -format yyyymmdd -offset 15}