Added minimal index variety.

then getvalue returns the text upto the current position.  Otherwise
it returns all of the text.  The default value of the argument is
false.

__name__ in RemoteMethod's __init__

the search.

for reporting errors.

by a RemoteMethod if the remote host is not reachable from a network problem
or if the request timed out at the other end.

pure mix-in (and only pure mix-in) base classes.

when searching for a stopword

to be sure changes are registered when not saving persistent
objects.

ResultLists