Idler lever added to Huxley extruder.
Extruders now virtual.
views.py now allows camera to be specified using $vpt, $vpr and $vpd.
make_machine.py now does the accessories as well.
Fan duct bracket screws longer for easier removal and replacement.
Direct 1.75mm drive extruder for Huxley.
MK5B J-head model length corrected to match reality.