Workflow Module
Rough-cut task list for getting a minimal workflow module running for work order use:
    
        | Task | Estimate | User/Status | 
    
        | Create workflow application module, skeleton | 1.0 | NOT DONE | 
    
        | Create SQL scripts, add to lib/Driver.php, lib/Driver/sql.php for listing/updating/deleting work items | 2.0 | NOT DONE | 
    
        | Write or port workflow classes to PEAR or Horde | 8.0 | NOT DONE | 
    
        | Implement XPDL load of workflow objects | 4.0 | NOT DONE | 
    
        | Implement WorkItem::evaluateExpression() (only need strings, numbers, work item properties, and "==" operator to start) | 2.0 | NOT DONE | 
    
        | Implement user's work queue screen | 2.0 | NOT DONE | 
    
        | Implement driver-based application call mechanism | 1.0 | NOT DONE | 
    
        | Implement templatized e-mail send "application" | 3.0 | NOT DONE | 
    
        | Implement create ticket "application" | 2.0 | NOT DONE | 
    
        | Implement ulaform entry/update "application" | 3.0 | NOT DONE | 
    
        | Implement e-mail decision "application" | 2.0 | NOT DONE | 
    
        | Implement work item history logging mechanism | 2.0 | NOT DONE |