[Fix #53] Bump instaparse dep
[Fix #53] Bump instaparse dep

Instaparse breaks clj 1.7 due to arity changes to `StringReader`.

duncanmortimer/refactor-nrepl,clojure-emacs/refactor-nrepl,msgodf/refactor-nrepl,grammati/refactor-nrepl,Peeja/refactor-nrepl,Peeja/refactor-nrepl,clumsyjedi/refactor-nrepl,luxbock/refactor-nrepl,grammati/refactor-nrepl,clumsyjedi/refactor-nrepl,msgodf/refactor-nrepl,duncanmortimer/refactor-nrepl,luxbock/refactor-nrepl,clojure-emacs/refactor-nrepl