Added config system, Updated readme, Fixed DB connections stalling with multiple uWSGI workers, Made it less prone to crashing if necessary files are not present

.gitignore

@@ -0,0 +1 @@
+config.json

readme.md

@@ -10,7 +10,7 @@ just put the url to the server, and directly after, the full URL to the tweet yo
 
 **I now have a copy of this running on a Linode server, you can use it via the following url**
 
-https://fxtwitter.com/`<twitter video url>`
+https://fxtwitter.com/`twitter video url` or `last half of twitter url (everything past twitter.com/)`
 
 You can also simply type out 'fx' directly before 'twitter.com' in any valid twitter video url, and that will convert it into a working TwitFix url, for example:
 

twitfix.py

@@ -3,19 +3,34 @@ import pymongo
 import youtube_dl
 import json
 import re
+import os
 
 app = Flask(__name__)
 pathregex = re.compile("\\w{1,15}\\/status\\/\\d{19}")
 
-link_cache_system = "json" # Select your prefered link cache system, "db" for mongoDB or "json" for locally writing a json file ( not great if using multiple workers )
+if not os.path.exists("config.json"):
+    with open("config.json", "w") as outfile:
+        default = {"config":{"link_cache":"json","database":"[url to mongo database goes here]","method":"youtube-dl"},"api":{"consumer_key":"[consumer key goes here]","consumer_secret":"[consumer secret goes here]","access_token_key":"[access token key goes here]","access_token_secret":"[access token secret goes here]"}}
+        json.dump(default, outfile, indent=4, sort_keys=True)
+
+f = open("config.json")
+config = json.load(f)
+f.close()
+
+link_cache_system = config['config']['link_cache'] # Select your prefered link cache system, "db" for mongoDB or "json" for locally writing a json file ( not great if using multiple workers )
 
 if link_cache_system == "json":
     link_cache = {}
+    if not os.path.exists("config.json"):
+        with open("config.json", "w") as outfile:
+            deflinkcache = {"test":"test"}
+            json.dump(deflinkcache, outfile, indent=4, sort_keys=True)
+
     f = open('links.json',)
     link_cache = json.load(f)
     f.close()
 elif link_cache_system == "db":
-    client = pymongo.MongoClient("PUT YOUR MONGODB URL HERE")
+    client = pymongo.MongoClient(config['config']['database'], connect=False)
     db = client.TwitFix
 
 @app.route('/')