Wrap post content
Currently if a post is really long, it is just cut off at the right side of the screen.
Right now we keep a
Entry objects, which could be posts, CW'd posts, or notifications. We then take a slice of the vec, using the height of the pane as the number of entries to include in the slice. We then iterator over the slice, stringifying each
Entry, and displaying it on a single line. This means that any long post is going off the right side of the screen. We should do something using the width of the pane to split the stringified posts onto multiple lines