The long wait was worth it! Now you can use your customised own ChatBot. 
Personal ChatBot is a premium feature. LumiaStreamBot is now a free feature!!!
First, before we can connect your personal ChatBot you need to create one on Twitch. Just register your preferred ChatBot name like any user.
Then head to Lumia Stream and go to Connections from the left sidebar and select Twitch ChatBot.
Give your bot all necessary permissions!
And sign in like you do with your Twitch account but now you use your freshly created Bot account.
Now your ChatBot connection will show up under Streaming Services.
Set him up like you are used to the “old” ChatBot in the ChatBot Menu from the left sidebar and/or in each command or alert itself. The custom Bot will now replace the good old LumiaStreamBot.
Don’t forget to make him a mod in your Twitch channel with /mod BotName
That easy it is.