created the prime method
formatting corrections and added strings header and std namespace
implemented defix
implemented sumSlice
implemented square
implemented listPrimes and also edited primes
edited minor sytax errors
corrected issue with prime: was returning true for negative numbers
edited sumSlice:accidentally put s++ instead of i++ which made the for loop an infinite loop
changed the main method to only test square(2) once
added documentation... should have been updating this as I programmed.
answered the questions in the README.md
Merge pull request #8 from continnd/continnd

Continnd