http, http_wsgibase: Update a few docstrings.

caucase/http.py

@@ -74,10 +74,15 @@ class CaucaseWSGIRequestHandler(WSGIRequestHandler):
 
 class CaucaseSSLWSGIRequestHandler(CaucaseWSGIRequestHandler):
   """
-  Add SSL_CLIENT_CERT to environ when client has sent a certificate.
+  Add SSL-specific entries to environ:
+  - HTTPS=on
+  - SSL_CLIENT_CERT when client has sent a certificate.
   """
   ssl_client_cert_serial = '-'
   def get_environ(self):
+    """
+    Populate environment.
+    """
     environ = CaucaseWSGIRequestHandler.get_environ(self)
     environ['HTTPS'] = 'on'
     client_cert_der = self.request.getpeercert(binary_form=True)

caucase/http_wsgibase.py

@@ -25,8 +25,7 @@ from wsgiref.simple_server import ServerHandler
 
 class CleanServerHandler(ServerHandler):
   """
-  Do not include OS environment variables in each request's WSGI environment.
-
-  Seriously, what the fsck, python ?
+  - Do not include OS environment variables in each request's WSGI environment.
+    Seriously, what the fsck, python ?
   """
   os_environ = {}