update requirements

.gitignore

@@ -4,7 +4,7 @@ craftbeerpi.db
 **/node_modules/*
 *.pyc
 *.templog
-venv2/
+venv/
 modules/plugins/*
 !modules/plugins/__init__.py
 *.pyc

requirements.txt

@@ -1,14 +1,14 @@
-Flask==0.12.4
-Flask-SocketIO==2.6.2
-eventlet==0.19.0
-greenlet==0.4.10
-python-dateutil==2.5.3
-python-engineio==0.9.2
-python-mimeparse==1.5.2
-python-socketio==1.4.4
-PyYAML==4.2b1
-requests==2.20.0
-Werkzeug==0.11.10
-httplib2==0.9.2
-flask-classy==0.6.10
-GitPython==2.1.3
+eventlet==0.25.0
+Flask==1.1.1
+Flask-Classy==0.6.10
+Flask-SocketIO==4.2.1
+GitPython==3.0.1
+greenlet==0.4.15
+httplib2==0.13.1
+python-dateutil==2.8.0
+python-engineio==3.9.3
+python-mimeparse==1.6.0
+python-socketio==4.3.1
+PyYAML==5.1.2
+requests==2.22.0
+Werkzeug==0.15.5