update ctype to 0.5.3 to get rid of npm warning
update assert-plus to 0.1.4
Enable syntax highlighting for examples in README
Merge pull request #20 from digitalbazaar/master

Test and other fixes
Merge pull request #16 from Raynos/patch-1

Enable syntax highlighting for examples in README
Merge pull request #13 from ralphtheninja/master

update ctype to 0.5.3 to get rid of npm warning during install
Updated the verify tests to match the latest specification examples.