completed first pass at fibonacci
Merge branch 'master' of https://github.com/bhameyie/SharpBeginnings

* 'master' of https://github.com/bhameyie/SharpBeginnings:
  adding recursion to curriculum
Merge branch 'master' into feature/improvinf_part1

* master:
  adding recursion to curriculum
adding more items to be covered on session 3
Update session3.md
Update README.md
adding sorting problem
expanding upon string
Merge branch 'feature/improvinf_part1' of https://github.com/bhameyie/SharpBeginnings into feature/improvinf_part1

* 'feature/improvinf_part1' of https://github.com/bhameyie/SharpBeginnings:
  Update README.md
  Update session3.md
  adding more items to be covered on session 3
Merge branch 'feature/improvinf_part1'

* feature/improvinf_part1:
  expanding upon string
  adding sorting problem
  Update README.md
  Update session3.md
  adding more items to be covered on session 3
  completed first pass at fibonacci