compute Ackermann function
create All Tests Pass if results match Wikipedia per assignment
support fibonacci recursive calculation
add lucas function, general series function, 1st number is not 0th
add docstring for functions
add assertions and comments for assertions
Merge branch 'master' of https://github.com/CharlesGust/sea-f2-python-sept14 into Ackermann
Merge pull request #12 from CharlesGust/Ackermann

Looks good