swirlify 0.5.2

• Fixed failing tests by integrating new features in testthat 2.0.

• Fixed issue where Ace editor was not working on Windows.

• Added make_pathname().

• Added swirl_courses_dir().

swirlify 0.5.0

• Removed lp().
• Deprecated testit(). testit() will be removed in swirlify 0.6.
• Added demo_lesson() which replaces testit().
• Added google_form_decode() to help course authors evaluate their students'
  progress in a swirl couse.
• Added swirlify() which starts a Shiny app for authoring swirl lessons.

swirlify 0.4.1

First CRAN release.

swirlify 0.3.0.99

Legacy release of swirlify before major changes to its API.