Reword help string

Signed-off-by: Torstein Husebø <torstein@huseboe.net>
Merge pull request #12 from torstehu/cleanup-help

Reword help string
Add statistical test
Link to audit ticket in readme
Add fast statistical test
It's an issue
Stuff fixed while attempting word statistical test
Fix extra 'and'
Add statistical test for word passwords
Trying travis-ci.org
Supposed to have a dot
travis needs to be triggered with a commit
Intentional syntax error to test travis-ci
Fix intentional syntax error that was introduced to test travis-ci
Add travis-ci image to readme
Add comment to explain what -z is
Clean up the option parsing code
Fix sscanf for parsing -p. Add regression test.
Use memset_s for wiping buffers instead of memset
Add missing memset_s