[Fix #63] Fix prefix confusing mranderson
[Fix #63] Fix prefix confusing mranderson

```clj
[clojure.java
  [classpath :as cp]
  [io :refer [file]]
```
Is a confusing libspec for mranderson because the libraries sharing a
common prefix reside in different jars.

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