Did I do something wrong or did qtwitter suddenly broke down about a moth ago?
If so, it should be fixed or removed from the portage feed.

checking for updates: current version is "0.10.0"
[New Thread 0x7ffff6461700 (LWP 2575)]
switching language to "C" from "/usr/bin"
"TwitterAPIPrivate::friendsTimeline(**myTwitterNick**)"
[New Thread 0x7ffff5544700 (LWP 2600)]
"TwitterAPIPrivate::mentions(**myTwitterNick**)"
[New Thread 0x7ffff4d43700 (LWP 2601)]
"TwitterAPI::directMessages(**myTwitterNick**)"
settings loaded and applied
[New Thread 0x7fffe7fff700 (LWP 2626)]
[New Thread 0x7fffe77fe700 (LWP 2627)]
0
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
[TwitterAPI] error: 404
2
[TwitterAPI] error: 404
1
[Thread 0x7fffe77fe700 (LWP 2627) exited]
[Thread 0x7ffff4d43700 (LWP 2601) exited]
warning: some requests may have failed...