Add :main in project.clj and fix namespace reference in core

project.clj

@@ -4,4 +4,5 @@
   :license {:name "EPL-2.0 OR GPL-2.0-or-later WITH Classpath-exception-2.0"
             :url "https://www.eclipse.org/legal/epl-2.0/"}
   :dependencies [[org.clojure/clojure "1.10.0"]]
+  :main ^:skip-aot propeller.core
   :repl-options {:init-ns propeller.core})

src/propeller/core.clj

@@ -487,7 +487,7 @@
 (defn -main
   "Runs propel-gp, giving it a map of arguments."
   [& args]
-  (binding [*ns* (the-ns 'propel.core)]
+  (binding [*ns* (the-ns 'propeller.core)]
     (propel-gp (update-in (merge {:instructions default-instructions
                                   :error-function regression-error-function
                                   :max-generations 500