Simultaneous Twist Bones and Stretchy Limbs

Mathieson Facer tutorial follow up Paul Neale IK/FK Arm video tutorial and Twist Bones video tutorial and extend the rig system to support stretchy limbs and twist bones in the same rig.

Note:
Tutorial used Jason Labbe's Stretchy Bones Tool (MaxScript) to create stretchy bones, but... this script is no more available for downloads there :(