Starting again
Wrote first test.
Added second test - convert 5 to V - and passed
Added 10 to X method; changing strategy
Rewrote self.convert method to iterate over the numerals array and put the returning numerals into a string
Added additional simple tests (all passing)
Added tests for larger numbers; added larger number mappings to numerals array
Added additional mappings for very large numbers; added additional tests (passing)
Added additional tests and protection methods against numbers over 4999 or less than 1
Refactored and added arabise method
Added pending test for roman -> arabic method