By: Addison Wylie Carl Boenish wanted to test the human spirit.  In doing so, his willingness to jump off breathtaking heights pioneered what we know now as “BASE jumping”.  Filmmaker Marah Strauch has matched Boenish’s go-getter attitude and gumption with Sunshine Superman, a documentary about the jumper’s fearless outlook and how he serves as an inspiration for adventure and living life to its fullest. If you’ve seen James Marsh’s Man on Wire, you’ll sense Marah…