arguments for adding or changing a user.

This will make it easier for other user folder implementations to
interact with the standard user folder API.

Changed the session management icons. These new icons were made by Penny and Amos. They're not perfect, but they're better than what was there before.

replaced all calls with string methods

environment.  This guarantees that any subsequent recovery will be
very fast unless the database was not shut down gracefully.

Incorporated Frank Tegtmeyers long-ago patch for encoding browser ids that already have query elements in encodeUrl properly by using & instead of just &.

Moved import of PageTemplateFile to within a function, allowing tests which attempt to import OFS.Application.Application to succeed without products being set up.

been set up yet.

as argument for intersection())

so it can find local modules