There are new things quite often =)
JanKusanagi @identi.ca at 2013-12-17T18:30:46Z
>> JanKusanagi:
“you can always use a service like pump2twitter.com, and just post here.”
Sorry, that was https://pump2tweet.com/
And did you try https://github.com/dper/PumpTweet ?
If that's also not good for your needs, you can always do the copy-pasting in reverse. As I said, less problems that way ;)