Update list of export symbols

src/as2.lisp

@@ -8,8 +8,50 @@
   (:use :cl)
   (:export #:define-property-method
            #:define-property-methods
+           ;; Core Types
            #:object
            #:link
+           #:activity
+           #:intransitive-activity
+           #:collection
+           #:ordered-collection
+           #:collection-page
+           #:ordered-collection-page
+           ;; Activity Types
+           #:accept
+           #:add
+           #:arrive
+           #:block
+           #:create
+           #:delete
+           #:dislike
+           #:flag
+           #:follow
+           #:ignore
+           #:invite
+           #:join
+           #:leave
+           #:like
+           #:listen
+           #:move
+           #:offer
+           #:question
+           #:reject
+           #:read
+           #:remove
+           #:tentative-reject
+           #:tentative-accept
+           #:travel
+           #:undo
+           #:update
+           #:view
+           ;; Actor Types
+           #:application
+           #:group
+           #:organization
+           #:person
+           #:service
+           ;; Properties
            #:type-as2
            #:attachment
            #:attributed-to