Compare against browserName instead of the user agent string.
Fix parsing Linux version numbers (if available.)
Fix parsing of ChromeOS platform version.
Fix Linux and ChromeOS platform version string parsing and add a spec.
Make platform version string parsing more robust.
Merge pull request #111 from typekit/bs-versions

Change UserAgentParser to return Version objects
Release 1.4.3
Merge branch 'master' into bs-browser-compatibility