Bump version number

Author: willirath

setup.py

@@ -2,7 +2,7 @@
 
 setup(
     name='jupyterhub-firstuseauthenticator',
-    version='0.11',
+    version='0.12',
     description='JupyterHub Authenticator that lets users set passwords on first use',
     url='https://github.com/yuvipanda/jupyterhub-firstuseauthenticator',
     author='Yuvi Panda',