Fixed issue with "de-pickling" of flask session

Having a gitignore-everything ("*") file within a flask session folder seems to cause a
weird bug where the state of the app becomes unusable from continuously
trying to prune files listed in the gitignore (and it can't prune '*').

.gitignore

@@ -6,6 +6,7 @@ __pycache__/
 config.json
 test/static
 flask_session/
+app/static/config
 
 # pip stuff
 build/

app/__init__.py

@@ -6,7 +6,7 @@ import os
 
 app = Flask(__name__, static_folder=os.path.dirname(os.path.abspath(__file__)) + '/static')
 app.user_elements = {}
-app.config['SECRET_KEY'] = os.urandom(128)
+app.config['SECRET_KEY'] = os.urandom(16)
 app.config['SESSION_TYPE'] = 'filesystem'
 app.config['VERSION_NUMBER'] = '0.1.4'
 app.config['APP_ROOT'] = os.getenv('APP_ROOT', os.path.dirname(os.path.abspath(__file__)))
@@ -15,6 +15,9 @@ app.config['CONFIG_PATH'] = os.getenv('CONFIG_VOLUME', app.config['STATIC_FOLDER
 app.config['SESSION_FILE_DIR'] = app.config['CONFIG_PATH']
 app.config['SESSION_COOKIE_SECURE'] = True
 
+if not os.path.exists(app.config['CONFIG_PATH']):
+    os.makedirs(app.config['CONFIG_PATH'])
+
 sess = Session()
 sess.init_app(app)
 

app/static/config/.gitignore

@@ -1 +0,0 @@
-*