Remove blank lines
Add cider-nrpl plugin
Add cider's nrepl-port to .gitignore
Koan 01 - done
Koan 02 - done
Koan 03 - done
Koan 04 - done
Koan 05 - done
Koan 06 - done
Koan 07 - done
Koan 08 - done
Koan 09 - done
Koan 10 - done
Koan 11 - done
Koan 12 - done
Koan 13 - done
Koan 14 - done
Koan 15 - done
Koan 16 - done
Koan 17 - done