Batch size is also now a parameter.

be applies cumulatively.
Updated documentation.

  - Make sure HTMLFile instances got a __name__ that matched the name
    they were assigned to in the class, and

  - Give HTMLFile and Python methods whos names are 'manage' or
    begin with 'manage_' a __roles__ of ('Manager',)

acquisition.

Began fix-up for new protocols.

Removed 'manage' prefix hack.

Changed so PARENTS keep acquisition wrappers.  The circular reference
is broken by removing 'other' attribute from the request.