Pylons/webob — pull request #47 by gjhiggins (2012-05-12 17:05:56+00:00)
Title: Fix and tests for Accept.__str__ (improperly rounds q values to just one decimal).

Should be up to three digits after the decimal:

http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.9

```text
qvalue = ( "0" [ "." 0*3DIGIT ] )
| ( "1" [ "." 0*3("0") ] )
```