Main changes in this release:

• added: keyboard navigation in timeline (up, down, home, end)
• added: config option to enable sounds only for replies/directs
• changed: @-mouse-over-button does not clear input box first, but appends @username to existing text
• changed: clicking on twitter usernames opens profile lookup for that user in twhirl
• changed: open user’s Twitter profile in browser by clicking profile image in profile lookup
• changed: standard font on MacOS set to Helvetica
• fixed: program termination problems in OSX