git checkout -b andrew       # create and checkout in one command

git checkout andrew       # move to existing branch
git fetch origin          # get changes from github
git merge origin/master   # merge those changes into the current branch (andrew)

git status                # check the branch your on and the files to be included
git add <file>            # verify the files you wish to add
git commit -m '<message>' # add the file changes to the branch
git push origin <branch>  # upload the branch to the project