diff --git a/project.clj b/project.clj
index a6f6ff7..8841d53 100644
--- a/project.clj
+++ b/project.clj
@@ -1,9 +1,9 @@
-(defproject mw-ui "0.1.1-SNAPSHOT"
+(defproject mw-ui "0.1.1"
   :description "Web-based user interface for MicroWorld"
   :url "http://example.com/FIXME"
   :dependencies [[org.clojure/clojure "1.6.0"]
-                 [mw-engine "0.1.1-SNAPSHOT"]
-                 [mw-parser "0.1.1-SNAPSHOT"]
+                 [mw-engine "0.1.1"]
+                 [mw-parser "0.1.1"]
                  [lib-noir "0.8.4"]
                  [ring-server "0.3.1"]
                  [selmer "0.6.8"]
diff --git a/resources/public/docs/mw-engine/uberdoc.html b/resources/public/docs/mw-engine/uberdoc.html
index c776aee..9ac8488 100644
--- a/resources/public/docs/mw-engine/uberdoc.html
+++ b/resources/public/docs/mw-engine/uberdoc.html
@@ -3028,7 +3028,7 @@ net.brehaut.ClojureTools = (function (SH) {
     build_tree: build_tree
   };
 })(SyntaxHighlighter);
-</script><title>mw-engine -- Marginalia</title></head><body><table><tr><td class="docs"><div class="header"><h1 class="project-name">mw-engine</h1><h2 class="project-version">0.1.1-SNAPSHOT</h2><br /><p>Cellular automaton world builder.</p>
+</script><title>mw-engine -- Marginalia</title></head><body><table><tr><td class="docs"><div class="header"><h1 class="project-name">mw-engine</h1><h2 class="project-version">0.1.2-SNAPSHOT</h2><br /><p>Cellular automaton world builder.</p>
 </div><div class="dependencies"><h3>dependencies</h3><table><tr><td class="dep-name">org.clojure/clojure</td><td class="dotted"><hr /></td><td class="dep-version">1.5.1</td></tr><tr><td class="dep-name">org.clojure/math.combinatorics</td><td class="dotted"><hr /></td><td class="dep-version">0.0.7</td></tr><tr><td class="dep-name">org.clojure/tools.trace</td><td class="dotted"><hr /></td><td class="dep-version">0.7.8</td></tr><tr><td class="dep-name">net.mikera/imagez</td><td class="dotted"><hr /></td><td class="dep-version">0.3.1</td></tr><tr><td class="dep-name">fivetonine/collage</td><td class="dotted"><hr /></td><td class="dep-version">0.2.1</td></tr></table></div></td><td class="codes" style="text-align: center; vertical-align: middle;color: #666;padding-right:20px"><br /><br /><br />(this space intentionally left almost blank)</td></tr><tr><td class="docs"><div class="toc"><a name="toc"><h3>namespaces</h3></a><ul><li><a href="#mw-engine.core">mw-engine.core</a></li><li><a href="#mw-engine.heightmap">mw-engine.heightmap</a></li><li><a href="#mw-engine.natural-rules">mw-engine.natural-rules</a></li><li><a href="#mw-engine.utils">mw-engine.utils</a></li><li><a href="#mw-engine.world">mw-engine.world</a></li></ul></div></td><td class="codes">&nbsp;</td></tr><tr><td class="docs"><div class="docs-header"><a class="anchor" href="#mw-engine.core" name="mw-engine.core"><h1 class="project-name">mw-engine.core</h1><a class="toc-link" href="#toc">toc</a></a></div></td><td class="codes" /></tr><tr><td class="docs"><p>Functions to transform a world and run rules.</p>
 </td><td class="codes"></td></tr><tr><td class="docs">
 </td><td class="codes"><pre class="brush: clojure">(ns mw-engine.core
diff --git a/resources/public/docs/mw-parser/uberdoc.html b/resources/public/docs/mw-parser/uberdoc.html
index b18c688..fbc615b 100644
--- a/resources/public/docs/mw-parser/uberdoc.html
+++ b/resources/public/docs/mw-parser/uberdoc.html
@@ -3028,8 +3028,8 @@ net.brehaut.ClojureTools = (function (SH) {
     build_tree: build_tree
   };
 })(SyntaxHighlighter);
-</script><title>mw-parser -- Marginalia</title></head><body><table><tr><td class="docs"><div class="header"><h1 class="project-name">mw-parser</h1><h2 class="project-version">0.1.1-SNAPSHOT</h2><br /><p>Parser for production rules for MicroWorld engine</p>
-</div><div class="dependencies"><h3>dependencies</h3><table><tr><td class="dep-name">org.clojure/clojure</td><td class="dotted"><hr /></td><td class="dep-version">1.5.1</td></tr><tr><td class="dep-name">org.clojure/tools.trace</td><td class="dotted"><hr /></td><td class="dep-version">0.7.8</td></tr><tr><td class="dep-name">mw-engine</td><td class="dotted"><hr /></td><td class="dep-version">0.1.1-SNAPSHOT</td></tr></table></div></td><td class="codes" style="text-align: center; vertical-align: middle;color: #666;padding-right:20px"><br /><br /><br />(this space intentionally left almost blank)</td></tr><tr><td class="docs"><div class="toc"><a name="toc"><h3>namespaces</h3></a><ul><li><a href="#mw-parser.bulk">mw-parser.bulk</a></li><li><a href="#mw-parser.core">mw-parser.core</a></li></ul></div></td><td class="codes">&nbsp;</td></tr><tr><td class="docs"><div class="docs-header"><a class="anchor" href="#mw-parser.bulk" name="mw-parser.bulk"><h1 class="project-name">mw-parser.bulk</h1><a class="toc-link" href="#toc">toc</a></a></div></td><td class="codes" /></tr><tr><td class="docs"><p>parse multiple rules from a stream, possibly a file - although the real
+</script><title>mw-parser -- Marginalia</title></head><body><table><tr><td class="docs"><div class="header"><h1 class="project-name">mw-parser</h1><h2 class="project-version">0.1.2-SNAPSHOT</h2><br /><p>Parser for production rules for MicroWorld engine</p>
+</div><div class="dependencies"><h3>dependencies</h3><table><tr><td class="dep-name">org.clojure/clojure</td><td class="dotted"><hr /></td><td class="dep-version">1.5.1</td></tr><tr><td class="dep-name">org.clojure/tools.trace</td><td class="dotted"><hr /></td><td class="dep-version">0.7.8</td></tr><tr><td class="dep-name">mw-engine</td><td class="dotted"><hr /></td><td class="dep-version">0.1.2-SNAPSHOT</td></tr></table></div></td><td class="codes" style="text-align: center; vertical-align: middle;color: #666;padding-right:20px"><br /><br /><br />(this space intentionally left almost blank)</td></tr><tr><td class="docs"><div class="toc"><a name="toc"><h3>namespaces</h3></a><ul><li><a href="#mw-parser.bulk">mw-parser.bulk</a></li><li><a href="#mw-parser.core">mw-parser.core</a></li></ul></div></td><td class="codes">&nbsp;</td></tr><tr><td class="docs"><div class="docs-header"><a class="anchor" href="#mw-parser.bulk" name="mw-parser.bulk"><h1 class="project-name">mw-parser.bulk</h1><a class="toc-link" href="#toc">toc</a></a></div></td><td class="codes" /></tr><tr><td class="docs"><p>parse multiple rules from a stream, possibly a file - although the real
 objective is to parse rules out of a block of text from a textarea</p>
 </td><td class="codes"></td></tr><tr><td class="docs">
 </td><td class="codes"><pre class="brush: clojure">(ns mw-parser.bulk
diff --git a/resources/public/docs/mw-ui/uberdoc.html b/resources/public/docs/mw-ui/uberdoc.html
index cd3375d..aaeea07 100644
--- a/resources/public/docs/mw-ui/uberdoc.html
+++ b/resources/public/docs/mw-ui/uberdoc.html
@@ -3028,8 +3028,8 @@ net.brehaut.ClojureTools = (function (SH) {
     build_tree: build_tree
   };
 })(SyntaxHighlighter);
-</script><title>mw-ui -- Marginalia</title></head><body><table><tr><td class="docs"><div class="header"><h1 class="project-name">mw-ui</h1><h2 class="project-version">0.1.1-SNAPSHOT</h2><br /><p>Web-based user interface for MicroWorld</p>
-</div><div class="dependencies"><h3>dependencies</h3><table><tr><td class="dep-name">org.clojure/clojure</td><td class="dotted"><hr /></td><td class="dep-version">1.6.0</td></tr><tr><td class="dep-name">mw-engine</td><td class="dotted"><hr /></td><td class="dep-version">0.1.1-SNAPSHOT</td></tr><tr><td class="dep-name">mw-parser</td><td class="dotted"><hr /></td><td class="dep-version">0.1.1-SNAPSHOT</td></tr><tr><td class="dep-name">lib-noir</td><td class="dotted"><hr /></td><td class="dep-version">0.8.4</td></tr><tr><td class="dep-name">ring-server</td><td class="dotted"><hr /></td><td class="dep-version">0.3.1</td></tr><tr><td class="dep-name">selmer</td><td class="dotted"><hr /></td><td class="dep-version">0.6.8</td></tr><tr><td class="dep-name">com.taoensso/timbre</td><td class="dotted"><hr /></td><td class="dep-version">3.2.1</td></tr><tr><td class="dep-name">com.taoensso/tower</td><td class="dotted"><hr /></td><td class="dep-version">2.0.2</td></tr><tr><td class="dep-name">markdown-clj</td><td class="dotted"><hr /></td><td class="dep-version">0.9.44</td></tr><tr><td class="dep-name">environ</td><td class="dotted"><hr /></td><td class="dep-version">0.5.0</td></tr><tr><td class="dep-name">noir-exception</td><td class="dotted"><hr /></td><td class="dep-version">0.2.2</td></tr></table></div></td><td class="codes" style="text-align: center; vertical-align: middle;color: #666;padding-right:20px"><br /><br /><br />(this space intentionally left almost blank)</td></tr><tr><td class="docs"><div class="toc"><a name="toc"><h3>namespaces</h3></a><ul><li><a href="#mw-ui.handler">mw-ui.handler</a></li><li><a href="#mw-ui.layout">mw-ui.layout</a></li><li><a href="#mw-ui.middleware">mw-ui.middleware</a></li><li><a href="#mw-ui.render-world">mw-ui.render-world</a></li><li><a href="#mw-ui.repl">mw-ui.repl</a></li><li><a href="#mw-ui.routes.home">mw-ui.routes.home</a></li><li><a href="#mw-ui.routes.params">mw-ui.routes.params</a></li><li><a href="#mw-ui.routes.rules">mw-ui.routes.rules</a></li><li><a href="#mw-ui.util">mw-ui.util</a></li></ul></div></td><td class="codes">&nbsp;</td></tr><tr><td class="docs"><div class="docs-header"><a class="anchor" href="#mw-ui.handler" name="mw-ui.handler"><h1 class="project-name">mw-ui.handler</h1><a class="toc-link" href="#toc">toc</a></a></div></td><td class="codes" /></tr><tr><td class="docs">
+</script><title>mw-ui -- Marginalia</title></head><body><table><tr><td class="docs"><div class="header"><h1 class="project-name">mw-ui</h1><h2 class="project-version">0.1.1</h2><br /><p>Web-based user interface for MicroWorld</p>
+</div><div class="dependencies"><h3>dependencies</h3><table><tr><td class="dep-name">org.clojure/clojure</td><td class="dotted"><hr /></td><td class="dep-version">1.6.0</td></tr><tr><td class="dep-name">mw-engine</td><td class="dotted"><hr /></td><td class="dep-version">0.1.1</td></tr><tr><td class="dep-name">mw-parser</td><td class="dotted"><hr /></td><td class="dep-version">0.1.1</td></tr><tr><td class="dep-name">lib-noir</td><td class="dotted"><hr /></td><td class="dep-version">0.8.4</td></tr><tr><td class="dep-name">ring-server</td><td class="dotted"><hr /></td><td class="dep-version">0.3.1</td></tr><tr><td class="dep-name">selmer</td><td class="dotted"><hr /></td><td class="dep-version">0.6.8</td></tr><tr><td class="dep-name">com.taoensso/timbre</td><td class="dotted"><hr /></td><td class="dep-version">3.2.1</td></tr><tr><td class="dep-name">com.taoensso/tower</td><td class="dotted"><hr /></td><td class="dep-version">2.0.2</td></tr><tr><td class="dep-name">markdown-clj</td><td class="dotted"><hr /></td><td class="dep-version">0.9.44</td></tr><tr><td class="dep-name">environ</td><td class="dotted"><hr /></td><td class="dep-version">0.5.0</td></tr><tr><td class="dep-name">noir-exception</td><td class="dotted"><hr /></td><td class="dep-version">0.2.2</td></tr></table></div></td><td class="codes" style="text-align: center; vertical-align: middle;color: #666;padding-right:20px"><br /><br /><br />(this space intentionally left almost blank)</td></tr><tr><td class="docs"><div class="toc"><a name="toc"><h3>namespaces</h3></a><ul><li><a href="#mw-ui.handler">mw-ui.handler</a></li><li><a href="#mw-ui.layout">mw-ui.layout</a></li><li><a href="#mw-ui.middleware">mw-ui.middleware</a></li><li><a href="#mw-ui.render-world">mw-ui.render-world</a></li><li><a href="#mw-ui.repl">mw-ui.repl</a></li><li><a href="#mw-ui.routes.home">mw-ui.routes.home</a></li><li><a href="#mw-ui.routes.params">mw-ui.routes.params</a></li><li><a href="#mw-ui.routes.rules">mw-ui.routes.rules</a></li><li><a href="#mw-ui.util">mw-ui.util</a></li></ul></div></td><td class="codes">&nbsp;</td></tr><tr><td class="docs"><div class="docs-header"><a class="anchor" href="#mw-ui.handler" name="mw-ui.handler"><h1 class="project-name">mw-ui.handler</h1><a class="toc-link" href="#toc">toc</a></a></div></td><td class="codes" /></tr><tr><td class="docs">
 </td><td class="codes"><pre class="brush: clojure">(ns mw-ui.handler
   (:require [compojure.core :refer [defroutes]]
             [mw-ui.routes.home :refer [home-routes]]
