Commit some changes from Ed, also for USB, return different error for h/w comm error as opposed to where there is no error reported by windows, but the bytes did not get sent to the device (not responding)
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" path="src"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
<classpathentry kind="output" path="bin"/>
</classpath>