Adding the downloads for week7. This includes blog file updates.
Note: My final exam answer to question 4 is included in this commit.
Updating .gitignore so it ignores the large enron.zip file from week 7
downloads.
Fixing my last commit which had the file path incorrect for enron.zip.
Adding my code solutions to the week 7 final exam questions.
Adding screenshots of all my final exam answers and the correct answers.