{"shas":[["f4c307ce633208c6157c50603239e487560046ef","2c828674f1824cd08056fc7f81722c009fcfe02b@gmail.com","Adding chapter 7 (canvas) code","bethrobson"]],"ref":"refs/heads/master","size":1,"head":"f4c307ce633208c6157c50603239e487560046ef","push_id":38146724}