Some functionality seems purposefully limited, for example the "Minimum time between your tweets" is specified in hours which makes it not useful. Seems to be no way to turn this off so that they can go out whenever they are posted.
Instead of "If 0, it will default to 4 hours" how about 0 means it will post when there is a new post available?
It seems like it could be useful, but with these limits, not so much. Thanks for the effort so far!