Update for EIEIO migration

chronometrist-goal.el

@@ -203,7 +203,7 @@ To use, add this to `chronometrist-after-out-functions', and
 
 (defun chronometrist-goal-on-file-change ()
   "Manage timed alerts when `chronometrist-file' changes."
-  (let ((last (chronometrist-last)))
+  (let ((last (chronometrist-latest-record (chronometrist-active-backend))))
     (chronometrist-goal-stop-alert-timers)
     ;; if there's a task running, start timed alerts for it
     (unless (plist-get last :stop)
@@ -211,18 +211,21 @@ To use, add this to `chronometrist-after-out-functions', and
 
 ;;;; minor mode
 (defun chronometrist-goal-row-transformer (row)
-  "Add goal information to the return value of `chronometrist-rows'.
-ROW must be a valid element in the list specified by
-  `tabulated-list-entries'."
+  "Add a goal cell to ROW.
+Used to add a goal column to `chronometrist-rows'.
+
+ROW must be a valid element of the list specified by
+`tabulated-list-entries'."
   (-let* (((task vector) row)
           (goal-minutes  (chronometrist-goal-get task))
           (goal-string   (if goal-minutes (format "% 4d" goal-minutes) "")))
     (list task (vconcat vector `[,goal-string]))))
 
 (defun chronometrist-goal-schema-transformer (schema)
-  "Add a goal column to the return value of `tabulated-list-format'.
-SCHEMA should be a vector (see `tabulated-list-format')."
   (vconcat schema `[("Target" 3 t)]))
+  "Add a goal column to SCHEMA.
+Used to add a goal column to `chronometrist-schema-transformers'.
+SCHEMA should be a vector as specified by `tabulated-list-format'."
 
 (defun chronometrist-goal-setup ()
   "Add `chronometrist-goal' functions to `chronometrist' hooks."