Updated questions

- I still need to change the code so that it works when running the individual files
Added `.swp` to `.gitignore`
Removing compiled / swap files
Added timing option to script runner

- Also, changed questions to return answer, rather than print answer
- But, will print answer if executed solo
Merge branch 'master' of github.com:nt3rp/Project-Euler

Conflicts:
	.gitignore
	completed/q2.py
	completed/q3.py
	completed/q4.py
	completed/q5.py
	completed/q6.py
	completed/q7.py
	completed/q8.py