initial commit
to_roman method returns correct outputs for 1 and 5
to_roman returns correct outputs for 1, 5, and 10
to_roman method returns correct output for 1-3, 5, and 10
to_roman method returns correct output for 1-5, 10
to_roman method returns correct output for 1-8, 10
to_roman method returns correct output for 1-10
added conversion chart, to_roman method returning correct output for 1-10, 152
to_roman method complete
refactored to_roman method
to_arabic method created
to_arabic method returns correct output for 1, 151
completed to_arabic method
minor tweak