Pushing release to `develop` after a successful local build. Branch `develop` is now based on Michel Fortin's PHP Markdown branch `lib` commit `4e091d4105e1a12195231b2d299c1a0c1ec0ac0f
`.
Merging `develop` into `master` after a successful Travis CI build of previously pushed branch `develop`. Branch `master` is now based on Michel Fortin's PHP Markdown branch `lib` commit `xxx`.