Add documentation to solution for Question 1.
Some unit test cases for Question 2.
Basic solution to Question 2.
Add documentation to answer to Question 2.
Fix a bug due to misunderstanding IP address requirements, namely "Has a space before it or starts at the beginning of a line" as "It ONLY has a space before it (and the beginning of a line) or starts at the beginning of a line".
Update the regex for IP addresses, test cases, and expected output.