Make hashtag configurable.

It's useful to use a different hashtag while testing.

config.ini.example

@@ -5,4 +5,5 @@ access_token=
 access_token_secret=
 
 [sysarmy]
-max_beers=3
+max_beers=3
+hashtag=downtime99999

config.py

@@ -11,7 +11,7 @@ def __init__(self, path):
             if key not in self.config['credentials']:
                 raise RuntimeError("Required setting %s not found in [credentials]" % key)
 
-        for key in ['max_beers']:
+        for key in ['max_beers', 'hashtag']:
             if key not in self.config['sysarmy']:
                 raise RuntimeError("Required setting %s not found in [sysarmy]" % key)
 
@@ -29,3 +29,6 @@ def get_tweepy_auth(self):
 
     def max_beers(self):
         return int(self.config['sysarmy']['max_beers'])
+
+    def hashtag(self):
+        return self.config['sysarmy']['hashtag']

main.py

@@ -57,7 +57,7 @@ def on_error(self, status):
     auth = config.get_tweepy_auth()
     api = API(auth, wait_on_rate_limit=True, wait_on_rate_limit_notify=True)
 
-    searchQuery = '%23downtime99999'
+    searchQuery = '%23' + config.hashtag()
 
     # Maximum number of tweets we want to collect
     maxTweets = 1000000
@@ -77,6 +77,5 @@ def on_error(self, status):
     print("Downloaded {0} tweets".format(tweetCount))
 
     # http://www.dealingdata.net/2016/07/23/PoGo-Series-Tweepy/
-    exit(0)
     stream = Stream(auth, l)
-    stream.filter(track=['downtime99999'])
+    stream.filter(track=[config.hashtag()])