Runtime exception in listener no longer fails silently (Fixed issue #14…

…).

tweepy/streaming.py

@@ -89,6 +89,7 @@ def _run(self):
         # enter loop
         error_counter = 0
         conn = None
+        exception = None
         while self.running:
             if self.retry_count and error_counter > self.retry_count:
                 # quit if error count greater than retry count
@@ -114,7 +115,7 @@ def _run(self):
                     break
                 conn.close()
                 sleep(self.snooze_time)
-            except Exception:
+            except Exception, exception:
                 # any other exception is fatal, so kill loop
                 break
 
@@ -123,6 +124,9 @@ def _run(self):
         if conn:
             conn.close()
 
+        if exception:
+            raise exception
+
     def _read_loop(self, resp):
         data = ''
         while self.running: