- Added more documenation.
- Added more documenation.

- Changed defaults to class constants instead of class globals.

- Fixed prompt preference propagation procedure. =:)

- Modified calls to engine() to use the task-specific MUES::ServerFunctions.

- Moved the creation of command objects' #invoke method into the Command class
  itself.

- Added a getHelpForCommand() method which builds detailed help for a single
  command, and removed the single-command-style invocation of getHelpTable().

- Changed all the unconditional debugging to use leveled debugging instead.

- Moved most of the default commands into command files under
  server/shellCommands/.

--HG--
extra : convert_revision : svn%3A39a105f4-52d6-0310-bb1b-d6517044f2e4/trunk%40661

ged/mues