Making the short-term text forecast optional.

Instead of making the text-based short-term forecast display each time, a user setting and switch is added called daycast, used as you would the forecast option.

I'm not a programmer at all but I can sometimes read code and move it around, or add things, to make it work a certain way. Please forgive any basic errors, I generally don't know what I'm doing.

I had to add the sqlite column by hand, it didn't seem to alter the table and add the column automatically - I don't know what I missed to have it add the new column automatically.