Add ClojureScript build, move files to cljc.

ClojureScript build fails.

project.clj

@@ -5,4 +5,8 @@
   :url "https://github.com/jkk/honeysql"
   :scm {:name "git"
         :url "https://github.com/jkk/honeysql"}
-  :dependencies [[org.clojure/clojure "1.8.0"]])
+  :dependencies [[org.clojure/clojure "1.8.0"]]
+  :profiles {:dev {:dependencies [[org.clojure/clojure "1.8.0"]
+                                  [org.clojure/clojurescript "1.9.89"]]
+                   :cljsbuild {:builds [{:source-paths ["src" "test"]}]}
+                   :plugins [[lein-cljsbuild "1.0.6"]]}})

src/honeysql/helpers.cljc

@@ -233,7 +233,7 @@
 (defn delete-from
   ([table] (delete-from nil table))
   ([m table] (build-clause :delete-from m table)))
-  
+
 (defmethod build-clause :with [_ m ctes]
   (assoc m :with ctes))