iron-io/docs — pull request #291 by psalaets (2013-02-23 15:39:29+00:00)
Title: small changes

I ran a worker containing

```ruby
puts "this is ruby #{RUBY_VERSION}-p#{RUBY_PATCHLEVEL}"
```
and got back 1.9.3-p0 so I updated the docs accordingly.

Also two other clarity/grammar changes.