Merge pull request #1 from Erol/master

Very minor code example fix
Travis.
Fix travis tests.
Fix travis tests again.
Change version to prerelease.
Release v0.1.0-pre
Update .css to make multiple code highlights look better.
Increase contrast.
Adjust some colors.
Implement --help, --version.
Update History.
Implement an --inline mode.
Update documentation.
Release v0.2.0
Update guides. [ci-skip]
Use mocha.opts.
Automatically use --inline.
Update documentation.
Release v0.2.1
Release v0.2.1