Make Model.filter/contains/remove methods use type-safe parameters

Description

See discussion on Developers Group: https://groups.google.com/d/topic/sesame-devel/l0vV26U942o/discussion

and on Sesame Discussion list:

http://sourceforge.net/mailarchive/message.php?msg_id=30381783

Feedback from various users seems to indicate a preference for the more strict type-checking approach.

Environment

None

Status

Assignee

Peter Ansell

Reporter

Jeen Broekstra

Labels

None

Components

Fix versions

Priority

Major
Configure