Create longestRunsOfOnes.js

longestRunsOfOnes.js determines if the longest runs of ones in M-bit blocks differs from the expected proportions.

Note that with this file, P-values will be returned from functions from now on. This will provide more information. All other files will be updated to comply.

Based on sections 2.4 and 3.4 of NIST SP 800-22, Revision 1a.