Merge pull request UofT-DSI#236 from dtxe/main

move bash quick reference to main materials directory, minor autograder tweaks

Merge pull request UofT-DSI#162 from dtxe/autograder

switch to curl; wget not available in Git Bash

Merge pull request UofT-DSI#115 from dtxe/main

autograder q8 hotfix

Update README.md

DSI Cohort 1

fixed formatting issue (UofT-DSI#15)