product management into separate interfaces.

        product management into separate interfaces.

      - Through-the-web creation of products and factories.

         - No longer a separate "add objects" permission.

         - Must have "view management screens" to copy.

         - Must have "delete objects" to cut ot delete.

         - Must be able to add an object of the type being pasted.

      - Through-the-web creation of products and factories.

         - No longer a separate "add objects" permission.

         - Must have "view management screens" to copy.

         - Must have "delete objects" to cut ot delete.

         - Must be able to add an object of the type being pasted.

      - Added some missing permission info.

         - No longer a separate "add objects" permission.

         - Must have "view management screens" to copy.

         - Must have "delete objects" to cut ot delete.

         - Must be able to add an object of the type being pasted.

        product management into separate interfaces.

      - Through-the-web creation of products and factories.

acquisition separately.  This makes it much easier to
quickly enable or disable acquisition for all permissions.

  - Handle valueless attributes a bit better.
    In particular, if a valueless parameter is not
    in the first position, it is not confused for a name,

  - Added "..." shorthand for exprs, so now you can:

      <!--#if "x < 1"-->

cutting and pasting them.

  - size prefs now separate from Document prefs

  - size prefs now separate from Document prefs
  - Fized bug that caused src changes to be lost

(i.e. schema) and list of rows.

Began adding support for pickle-based network protocol that, alas, may
fall by the wayside. Waaaa.

  This support is currently disabled due to security and performance issues,
  especially wrt Missing and Date values.

- Fixed cache problem, I guess.