Merge pull request #5 from fast-reflexes/1.4.2-bugfix-and-improved-ca…

…lculation-of-combinations

1.4.2

Small follow-up fixes after 1.4 and added tests for using the project…

… as a library as opposed to from the CLI

Add exact calculation of n(p, d) using numerical approach and miscell…

…anous others smaller fixes

-finalized version 3

-added comment

-updated README