| add_license | Add a LICENSE.txt file to your course | 
| add_to_manifest | Add current lesson to course manifest | 
| count_questions | Count number of questions in current lesson | 
| demo_lesson | Demo the current lesson in swirl | 
| find_questions | Get question numbers for any questions matching a regular... | 
| get_current_lesson | See what lesson you are currently working on | 
| google_form_decode | Decode Student's Submissions from Google Forms | 
| lesson_to_html | Turn a swirl lesson into a pretty webpage | 
| make_pathname | Replace spaces in strings with underscores | 
| new_lesson | Create new lesson in the YAML format. | 
| pack_course | Create an '.swc' file of the course you are working on | 
| set_lesson | Select an existing lesson to work on | 
| swirl_courses_dir | Find the directory where swirl courses are stored | 
| swirlify | Launch a Shiny application for writing swirl lessons | 
| test_course | Run tests on a course | 
| testit | (Deprecated) | 
| test_lesson | Run tests on a lesson | 
| unpack_course | Unpack an '.swc' file into a swirl course | 
| wq_command | Template for R command question | 
| wq_figure | Template for figure questions | 
| wq_message | Template for output without a question | 
| wq_multiple | Template for multiple choice question | 
| wq_numerical | Template for exact numerical question | 
| wq_script | Template for R script question | 
| wq_text | Template for text question | 
| wq_video | Template for video question | 
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