Added JPFCodeGen v0.3
Committed missing classpath.
Bumped Version number to 0.4.
Minor documentation fix.

<p>0.4 - 2007-07-19</p>
 
<ul>
    <li>Previously Checked-in: Bug in generator template that caused a wrong classname to be generated.</li>
    <li>Previously Checked-in: Can now create classes in a user-defined target directory.</li>
    <li>Previously Checked-in: Bug fixes for parameter that are not set in an extension.</li>
    <li>Documentation improvement for Helper Classes.</li>
    <li>Added support for parameters of type resource.</li>
    <li>Bug in generator template that caused a wrong classname to be generated.</li>
    <li>Can now create classes in a user-defined target directory</li>
    <li>Bug fixes for parameter that are not set in an extension</li>
</ul>