Fix the cursor issue!

README.md

@@ -12,4 +12,4 @@ implemented in a more idiomatic Rust fashion.
 This generally simplifies dealing with the rules of Rust (borrow checker).
 
 ### Known issues:
-* The cursor is invisible :(
+* Tab key does not expand to an indent

src/editor.rs

@@ -1066,6 +1066,9 @@ impl Editor {
 
         // If you can't write to stdout, you might as well just panic
         handle.write_all(&self.output_buffer.as_bytes()).unwrap();
+
+        // Explicitly flush output so that the cursor actually appears correctly
+        io::stdout().flush().unwrap();
     }
 
     /// Set the status bar message