maybe fix some exit problems

bink.py

@@ -57,23 +57,24 @@ def generate_feed(before=None, count=200):
 
 if len(sys.argv) > 1:
     if sys.argv[1] == "--help" or sys.argv[1] == "-h":
-        exit(helptext)
+        print(helptext)
+        exit(0)
     elif sys.argv[1] == "--dump":
         with open("/dev/stdout", "w") as f:
             json.dump(generate_feed(), f)
-        exit()
+        exit(0)
     elif sys.argv[1] == "--pipe":
         try:
             with open("/dev/stdin", "r", encoding="UTF-8") as f:
                 body = f.read().strip()
             if body:
                 create_post(body)
-            exit()
+            exit(0)
         except KeyboardInterrupt:
-            exit()
+            exit(0)
     else:
         create_post(" ".join(sys.argv[1:]))
-        exit()
+        exit(0)
 
 import urwid
 
@@ -128,7 +129,7 @@ class App():
     def exit(self, message=""):
         app.loop.stop()
         run(["clear"])
-        exit(message)
+        exit(0)
 
 class ActionBox(urwid.ListBox):
     def keypress(self, size, key):