@@ -21,12 +21,26 @@
 ;; 		     (temperature "cool medium hot")
 ;; 		     (season      "summer winter fall spring")))
 
 (declare (unit items))
 (declare (uses common))
+
+(import
+ chicken.file
+ chicken.io
+ chicken.port
+ chicken.pretty-print
+ chicken.string
+ chicken.time
+ chicken.process-context
+ srfi-1
+ srfi-69)
+
 
 (include "common_records.scm")
+(define setenv set-environment-variable!)
+(define getenv get-environment-variable)
 
 ;; Puts out all combinations
 (define (process-itemlist hierdepth curritemkey itemlist)
   (let ((res '()))
     (if (not hierdepth)