reload functionality

hn.py

@@ -113,6 +113,8 @@ class Client:
             else:
                 webbrowser.open(self.loadedstories[self.story_pos + self.cursor_pos].link)
             self.loadedstories[self.story_pos + self.cursor_pos].read = True
+        elif c == ord('r'):
+            self.reload()
         elif c == curses.KEY_RESIZE:
             curses.resize_term(*self.screen.getmaxyx())
             self.lines, self.cols = self.screen.getmaxyx()
@@ -135,6 +137,13 @@ class Client:
         import sys
         sys.exit(0)
 
+    def reload(self):
+        self.topstories = api.get_topstories()
+        self.loadedstories = []
+        self.story_pos = 0
+        self.cursor_pos = 0
+        self.load_more_if_needed()
+
 def main():
     try:
         client = Client()