Restore opened tabs and windows upon restart (#72)

src/message/printer.rs

@@ -156,6 +156,10 @@ impl<'a> TextPrinter<'a> {
     pub fn push_str(&mut self, s: &'a str, style: Style) {
         let style = self.base_style.patch(style);
 
+        if self.width == 0 {
+            return;
+        }
+
         for mut word in UnicodeSegmentation::split_word_bounds(s) {
             if let "\n" | "\r\n" = word {
                 // Render embedded newlines as spaces.