Bump version to 0.8

Acknowledgements to the Hack & Craft audience for being here at the
time of release! ;)

goblins/info.rkt

@@ -6,6 +6,6 @@
                      "racket-doc"))
 (define pkg-desc
   "A transactional, distributed actor model environment")
-(define version "0.7")
+(define version "0.8")
 (define pkg-authors '("cwebber"))
 (define scribblings '(("scribblings/goblins.scrbl" (multi-page))))