next feature request - custom user scripts 
utilizing the mozilla rhino javascript engine already pre-packaged with JDK, it'd probably be easy to implement
Here's from one afternoon of experimenting --

utilizing the mozilla rhino javascript engine already pre-packaged with JDK, it'd probably be easy to implement
Here's from one afternoon of experimenting --
package javaapplication4;
import javax.script.*;
import java.io.*;
/**
*
* @author Alex
*/
public class scripttest {
static ScriptEngineManager mgr = new ScriptEngineManager();
public static void main(String[] args) {
try {
scriptexec();
} catch (ScriptException ex) {
ex.printStackTrace();
}
}
static void scriptexec() throws ScriptException {
ScriptEngine se = mgr.getEngineByName("javascript");
se.eval("println('hello world');");
}
}