diff --git a/.gitignore b/.gitignore
index 89f9ac0..14d4343 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 out/
+doc/
diff --git a/build.properties b/build.properties
deleted file mode 100644
index 5bee2c8..0000000
--- a/build.properties
+++ /dev/null
@@ -1,3 +0,0 @@
-path.variable.kotlin_bundled=/opt/idea-IC-203.5981.155/plugins/Kotlin/kotlinc
-path.variable.maven_repository=/home/tonyg/.m2/repository
-jdk.home.11=/usr/lib/jvm/java-11-openjdk-amd64
\ No newline at end of file
diff --git a/build.xml b/build.xml
index 96e547d..5054d74 100644
--- a/build.xml
+++ b/build.xml
@@ -1,317 +1,36 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project name="syndicate-java" default="all">
-  
-  
-  <property file="build.properties"/>
-  <!-- Uncomment the following property if no tests compilation is needed -->
-  <!-- 
-  <property name="skip.tests" value="true"/>
-   -->
-  
-  <!-- Compiler options -->
-  
-  <property name="compiler.debug" value="on"/>
-  <property name="compiler.generate.no.warnings" value="off"/>
-  <property name="compiler.args" value=""/>
-  <property name="compiler.max.memory" value="700m"/>
-  <patternset id="ignored.files">
-    <exclude name="**/*.pyc/**"/>
-    <exclude name="**/*.pyo/**"/>
-    <exclude name="**/*.rbc/**"/>
-    <exclude name="**/*.yarb/**"/>
-    <exclude name="**/*~/**"/>
-    <exclude name="**/.DS_Store/**"/>
-    <exclude name="**/.git/**"/>
-    <exclude name="**/.hg/**"/>
-    <exclude name="**/.svn/**"/>
-    <exclude name="**/CVS/**"/>
-    <exclude name="**/__pycache__/**"/>
-    <exclude name="**/_svn/**"/>
-    <exclude name="**/vssver.scc/**"/>
-    <exclude name="**/vssver2.scc/**"/>
-  </patternset>
-  <patternset id="library.patterns">
-    <include name="*.egg"/>
-    <include name="*.zip"/>
-    <include name="*.war"/>
-    <include name="*.swc"/>
-    <include name="*.ear"/>
-    <include name="*.jar"/>
-    <include name="*.klib"/>
-    <include name="*.ane"/>
-  </patternset>
-  <patternset id="compiler.resources">
-    <exclude name="**/?*.java"/>
-    <exclude name="**/?*.form"/>
-    <exclude name="**/?*.class"/>
-    <exclude name="**/?*.groovy"/>
-    <exclude name="**/?*.scala"/>
-    <exclude name="**/?*.flex"/>
-    <exclude name="**/?*.kt"/>
-    <exclude name="**/?*.clj"/>
-    <exclude name="**/?*.aj"/>
-  </patternset>
-  
-  <!-- JDK definitions -->
-  
-  <property name="jdk.bin.11" value="${jdk.home.11}/bin"/>
-  <path id="jdk.classpath.11">
-    <fileset dir="${jdk.home.11}">
-      <include name="../java-1.11.0-openjdk-amd64!/java.base"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.compiler"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.datatransfer"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.desktop"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.instrument"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.logging"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.management"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.management.rmi"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.naming"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.net.http"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.prefs"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.rmi"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.scripting"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.se"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.security.jgss"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.security.sasl"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.smartcardio"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.sql"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.sql.rowset"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.transaction.xa"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.xml"/>
-      <include name="../java-1.11.0-openjdk-amd64!/java.xml.crypto"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.accessibility"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.aot"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.attach"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.charsets"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.compiler"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.crypto.cryptoki"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.crypto.ec"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.dynalink"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.editpad"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.hotspot.agent"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.httpserver"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.internal.ed"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.internal.jvmstat"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.internal.le"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.internal.opt"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.internal.vm.ci"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.internal.vm.compiler"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.internal.vm.compiler.management"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.jartool"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.javadoc"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.jcmd"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.jconsole"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.jdeps"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.jdi"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.jdwp.agent"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.jfr"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.jlink"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.jshell"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.jsobject"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.jstatd"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.localedata"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.management"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.management.agent"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.management.jfr"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.naming.dns"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.naming.ldap"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.naming.rmi"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.net"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.pack"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.rmic"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.scripting.nashorn"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.scripting.nashorn.shell"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.sctp"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.security.auth"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.security.jgss"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.unsupported"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.unsupported.desktop"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.xml.dom"/>
-      <include name="../java-1.11.0-openjdk-amd64!/jdk.zipfs"/>
-    </fileset>
+  <target name="all" depends="build,jar,javadoc">
+  </target>
+
+  <path id="main.classpath">
+    <pathelement path="out/production/main"/>
   </path>
-  
-  <property name="project.jdk.home" value="${jdk.home.11}"/>
-  <property name="project.jdk.bin" value="${jdk.bin.11}"/>
-  <property name="project.jdk.classpath" value="jdk.classpath.11"/>
-  
-  
-  <!-- Global Libraries -->
-  
-  <!-- Modules -->
-  
-  
-  <!-- Module main -->
-  
-  <dirname property="module.main.basedir" file="${ant.file}"/>
-  
-  
-  <property name="module.jdk.home.main" value="${project.jdk.home}"/>
-  <property name="module.jdk.bin.main" value="${project.jdk.bin}"/>
-  <property name="module.jdk.classpath.main" value="${project.jdk.classpath}"/>
-  
-  <property name="compiler.args.main" value="-encoding UTF-8 -source 11 -target 11 ${compiler.args}"/>
-  
-  <property name="main.output.dir" value="${module.main.basedir}/out/production/main"/>
-  <property name="main.testoutput.dir" value="${module.main.basedir}/out/test/main"/>
-  
-  <path id="main.module.bootclasspath">
-    <!-- Paths to be included in compilation bootclasspath -->
-  </path>
-  
-  <path id="main.module.production.classpath">
-    <path refid="${module.jdk.classpath.main}"/>
-  </path>
-  
-  <path id="main.runtime.production.module.classpath">
-    <pathelement location="${main.output.dir}"/>
-  </path>
-  
-  <path id="main.module.classpath">
-    <path refid="${module.jdk.classpath.main}"/>
-    <pathelement location="${main.output.dir}"/>
-  </path>
-  
-  <path id="main.runtime.module.classpath">
-    <pathelement location="${main.testoutput.dir}"/>
-    <pathelement location="${main.output.dir}"/>
-  </path>
-  
-  
-  <patternset id="excluded.from.module.main">
-    <patternset refid="ignored.files"/>
-  </patternset>
-  
-  <patternset id="excluded.from.compilation.main">
-    <patternset refid="excluded.from.module.main"/>
-  </patternset>
-  
-  <path id="main.module.sourcepath">
-    <dirset dir="${module.main.basedir}/src/main">
-      <include name="java"/>
-    </dirset>
-  </path>
-  
-  
-  <target name="compile.module.main" depends="compile.module.main.production,compile.module.main.tests" description="Compile module main"/>
-  
-  <target name="compile.module.main.production" description="Compile module main; production classes">
-    <mkdir dir="${main.output.dir}"/>
-    <javac destdir="${main.output.dir}" debug="${compiler.debug}" nowarn="${compiler.generate.no.warnings}" memorymaximumsize="${compiler.max.memory}" fork="true" executable="${module.jdk.bin.main}/javac">
-      <compilerarg line="${compiler.args.main}"/>
-      <bootclasspath refid="main.module.bootclasspath"/>
-      <classpath refid="main.module.production.classpath"/>
-      <src refid="main.module.sourcepath"/>
-      <patternset refid="excluded.from.compilation.main"/>
+
+  <target name="build">
+    <mkdir dir="out/production/main"/>
+    <javac destdir="out/production/main" debug="true">
+      <src path="src/main/java"/>
     </javac>
-    
-    <copy todir="${main.output.dir}">
-      <fileset dir="${module.main.basedir}/src/main/java">
-        <patternset refid="compiler.resources"/>
-        <type type="file"/>
-      </fileset>
-    </copy>
-  </target>
-  
-  <target name="compile.module.main.tests" depends="compile.module.main.production" description="compile module main; test classes" unless="skip.tests"/>
-  
-  <target name="clean.module.main" description="cleanup module">
-    <delete dir="${main.output.dir}"/>
-    <delete dir="${main.testoutput.dir}"/>
-  </target>
-  
-  
-  <!-- Module test -->
-  
-  <dirname property="module.test.basedir" file="${ant.file}"/>
-  
-  
-  <property name="module.jdk.home.test" value="${project.jdk.home}"/>
-  <property name="module.jdk.bin.test" value="${project.jdk.bin}"/>
-  <property name="module.jdk.classpath.test" value="${project.jdk.classpath}"/>
-  
-  <property name="compiler.args.test" value="-encoding UTF-8 -source 11 -target 11 ${compiler.args}"/>
-  
-  <property name="test.output.dir" value="${module.test.basedir}/out/production/test"/>
-  <property name="test.testoutput.dir" value="${module.test.basedir}/out/test/test"/>
-  
-  <path id="test.module.bootclasspath">
-    <!-- Paths to be included in compilation bootclasspath -->
-  </path>
-  
-  <path id="test.module.production.classpath">
-    <path refid="${module.jdk.classpath.test}"/>
-    <pathelement location="${main.output.dir}"/>
-  </path>
-  
-  <path id="test.runtime.production.module.classpath">
-    <pathelement location="${test.output.dir}"/>
-    <path refid="main.runtime.production.module.classpath"/>
-  </path>
-  
-  <path id="test.module.classpath">
-    <path refid="${module.jdk.classpath.test}"/>
-    <pathelement location="${test.output.dir}"/>
-    <pathelement location="${main.testoutput.dir}"/>
-    <pathelement location="${main.output.dir}"/>
-  </path>
-  
-  <path id="test.runtime.module.classpath">
-    <pathelement location="${test.testoutput.dir}"/>
-    <pathelement location="${test.output.dir}"/>
-    <path refid="main.runtime.module.classpath"/>
-  </path>
-  
-  
-  <patternset id="excluded.from.module.test">
-    <patternset refid="ignored.files"/>
-  </patternset>
-  
-  <patternset id="excluded.from.compilation.test">
-    <patternset refid="excluded.from.module.test"/>
-  </patternset>
-  
-  <path id="test.module.test.sourcepath">
-    <dirset dir="${module.test.basedir}/src/test">
-      <include name="java"/>
-    </dirset>
-  </path>
-  
-  
-  <target name="compile.module.test" depends="compile.module.test.production,compile.module.test.tests" description="Compile module test"/>
-  
-  <target name="compile.module.test.production" depends="compile.module.main" description="Compile module test; production classes"/>
-  
-  <target name="compile.module.test.tests" depends="compile.module.test.production" description="compile module test; test classes" unless="skip.tests">
-    <mkdir dir="${test.testoutput.dir}"/>
-    <javac destdir="${test.testoutput.dir}" debug="${compiler.debug}" nowarn="${compiler.generate.no.warnings}" memorymaximumsize="${compiler.max.memory}" fork="true" executable="${module.jdk.bin.test}/javac">
-      <compilerarg line="${compiler.args.test}"/>
-      <bootclasspath refid="test.module.bootclasspath"/>
-      <classpath refid="test.module.classpath"/>
-      <src refid="test.module.test.sourcepath"/>
-      <patternset refid="excluded.from.compilation.test"/>
+    <mkdir dir="out/test/test"/>
+    <javac destdir="out/test/test" classpathref="main.classpath" debug="true">
+      <src path="src/test/java"/>
     </javac>
-    
-    <copy todir="${test.testoutput.dir}">
-      <fileset dir="${module.test.basedir}/src/test/java">
-        <patternset refid="compiler.resources"/>
-        <type type="file"/>
-      </fileset>
-    </copy>
   </target>
-  
-  <target name="clean.module.test" description="cleanup module">
-    <delete dir="${test.output.dir}"/>
-    <delete dir="${test.testoutput.dir}"/>
+
+  <target name="jar" depends="build">
+    <mkdir dir="out/lib"/>
+    <jar destfile="out/lib/org.syndicate_lang.actors.jar" basedir="out/production/main" />
   </target>
-  
-  <target name="init" description="Build initialization">
-    <!-- Perform any build initialization in this target -->
+
+  <target name="javadoc">
+    <javadoc destdir="doc" access="public">
+      <sourcepath path="src/main/java"/>
+    </javadoc>
   </target>
-  
-  <target name="clean" depends="clean.module.main, clean.module.test" description="cleanup all"/>
-  
-  <target name="build.modules" depends="init, clean, compile.module.main, compile.module.test" description="build all modules"/>
-  
-  <target name="all" depends="build.modules" description="build all"/>
-</project>
\ No newline at end of file
+
+  <target name="clean">
+    <delete dir="out"/>
+    <delete dir="doc"/>
+  </target>
+</project>