diff --git a/.gitignore b/.gitignore
index d18f225..c8f7bb6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,6 @@ pom.xml.asc
 /.nrepl-port
 .hgignore
 .hg/
+*.iml
+.idea/
+out
diff --git a/propeller.iml b/propeller.iml
index 5c05a54..073e101 100644
--- a/propeller.iml
+++ b/propeller.iml
@@ -5,18 +5,33 @@
     <output-test url="file://$MODULE_DIR$/target/classes" />
     <exclude-output />
     <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://C:\Users\user\Documents\GitHub\propeller\dev-resources" isTestSource="false" />
-      <sourceFolder url="file://C:\Users\user\Documents\GitHub\propeller\resources" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/resources" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/dev-resources" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
       <excludeFolder url="file://$MODULE_DIR$/target" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="Leiningen: args4j:2.33" level="project" />
     <orderEntry type="library" name="Leiningen: clojure-complete:0.2.5" level="project" />
+    <orderEntry type="library" name="Leiningen: com.google.code.findbugs/jsr305:3.0.1" level="project" />
+    <orderEntry type="library" name="Leiningen: com.google.code.gson/gson:2.7" level="project" />
+    <orderEntry type="library" name="Leiningen: com.google.errorprone/error_prone_annotations:2.0.18" level="project" />
+    <orderEntry type="library" name="Leiningen: com.google.guava/guava:20.0" level="project" />
+    <orderEntry type="library" name="Leiningen: com.google.javascript/closure-compiler-externs:v20170910" level="project" />
+    <orderEntry type="library" name="Leiningen: com.google.javascript/closure-compiler-unshaded:v20170910" level="project" />
+    <orderEntry type="library" name="Leiningen: com.google.jsinterop/jsinterop-annotations:1.0.0" level="project" />
+    <orderEntry type="library" name="Leiningen: com.google.protobuf/protobuf-java:3.0.2" level="project" />
     <orderEntry type="library" name="Leiningen: nrepl:0.6.0" level="project" />
     <orderEntry type="library" name="Leiningen: org.clojure/clojure:1.10.0" level="project" />
+    <orderEntry type="library" name="Leiningen: org.clojure/clojurescript:1.9.946" level="project" />
     <orderEntry type="library" name="Leiningen: org.clojure/core.specs.alpha:0.2.44" level="project" />
+    <orderEntry type="library" name="Leiningen: org.clojure/data.json:0.2.6" level="project" />
+    <orderEntry type="library" name="Leiningen: org.clojure/google-closure-library-third-party:0.0-20170809-b9c14c6b" level="project" />
+    <orderEntry type="library" name="Leiningen: org.clojure/google-closure-library:0.0-20170809-b9c14c6b" level="project" />
     <orderEntry type="library" name="Leiningen: org.clojure/spec.alpha:0.2.176" level="project" />
+    <orderEntry type="library" name="Leiningen: org.clojure/tools.reader:1.1.0" level="project" />
+    <orderEntry type="library" name="Leiningen: org.mozilla/rhino:1.7R5" level="project" />
   </component>
 </module>
\ No newline at end of file
diff --git a/src/propeller/genome.cljc b/src/propeller/genome.cljc
index 6c460e2..5c12462 100755
--- a/src/propeller/genome.cljc
+++ b/src/propeller/genome.cljc
@@ -11,7 +11,7 @@
 
 (defn plushy->push
   "Returns the Push program expressed by the given plushy representation."
-  [plushy]
+  [plushy argmap]
   (let [opener? #(and (vector? %) (= (first %) 'open))]     ;; [open <n>] marks opens
     (loop [push ()                                          ;; iteratively build the Push program from the plushy
            plushy (mapcat #(if-let [n (get push/opens %)] [% ['open n]] [%]) plushy)]
diff --git a/src/propeller/problems/simple_regression.cljc b/src/propeller/problems/simple_regression.cljc
index 9606826..1ff2967 100755
--- a/src/propeller/problems/simple_regression.cljc
+++ b/src/propeller/problems/simple_regression.cljc
@@ -38,7 +38,7 @@
   or 1000000 if no behavior is produced. The behavior is here defined as the
   final top item on the INTEGER stack."
   [argmap individual]
-  (let [program (genome/plushy->push (:plushy individual))
+  (let [program (genome/plushy->push (:plushy individual) argmap)
         inputs (range -10 11)
         correct-outputs (map target-function inputs)
         outputs (map (fn [input]
diff --git a/src/propeller/problems/software/number_io.cljc b/src/propeller/problems/software/number_io.cljc
index cf8819b..afc449d 100755
--- a/src/propeller/problems/software/number_io.cljc
+++ b/src/propeller/problems/software/number_io.cljc
@@ -63,7 +63,7 @@
   ([argmap individual]
    (error-function argmap individual :train))
   ([argmap individual subset]
-   (let [program (genome/plushy->push (:plushy individual))
+   (let [program (genome/plushy->push (:plushy individual) argmap)
          data (get train-and-test-data subset)
          inputs (:inputs data)
          correct-outputs (:outputs data)
diff --git a/src/propeller/problems/software/smallest.cljc b/src/propeller/problems/software/smallest.cljc
index 915043e..c48876b 100755
--- a/src/propeller/problems/software/smallest.cljc
+++ b/src/propeller/problems/software/smallest.cljc
@@ -65,7 +65,7 @@
   ([argmap individual]
    (error-function argmap individual :train))
   ([argmap individual subset]
-   (let [program (genome/plushy->push (:plushy individual))
+   (let [program (genome/plushy->push (:plushy individual) argmap)
          data (get train-and-test-data subset)
          inputs (:inputs data)
          correct-outputs (:outputs data)
diff --git a/src/propeller/problems/string_classification.cljc b/src/propeller/problems/string_classification.cljc
index 4d29056..42677c0 100755
--- a/src/propeller/problems/string_classification.cljc
+++ b/src/propeller/problems/string_classification.cljc
@@ -46,7 +46,7 @@
   behavior is produced. The behavior is here defined as the final top item on
   the BOOLEAN stack."
   [argmap individual]
-  (let [program (genome/plushy->push (:plushy individual))
+  (let [program (genome/plushy->push (:plushy individual) argmap)
         inputs ["GCG" "GACAG" "AGAAG" "CCCA" "GATTACA" "TAGG" "GACT"]
         correct-outputs [false false false false true true true]
         outputs (map (fn [input]