New restart routine for executable files

Fix log in updater
New source option updater available

cps/about.py

@@ -48,6 +48,11 @@ try:
 except ImportError:
     flask_danceVersion = None
 
+try:
+    from greenlet import __version__ as greenlet_Version
+except ImportError:
+    greenlet_Version = None
+
 from . import services
 
 about = flask.Blueprint('about', __name__)
@@ -77,7 +82,8 @@ _VERSIONS = OrderedDict(
     python_LDAP = services.ldapVersion if bool(services.ldapVersion) else None,
     Goodreads = u'installed' if bool(services.goodreads_support) else None,
     jsonschema = services.SyncToken.__version__  if bool(services.SyncToken) else None,
-    flask_dance = flask_danceVersion
+    flask_dance = flask_danceVersion,
+    greenlet = greenlet_Version
 )
 _VERSIONS.update(uploader.get_versions())