Rewrote the tutorial to be easier for beginners
Merge pull request #60 from WouterJ/doc-fixes

Rewrote the tutorial to be easier for beginners
[Doc] Fixed anchors
Merge pull request #63 from pyrech/doc/fixed-anchors

[Doc] Fixed anchors
[Run] Moved EditorSpec methods by category
[Run] Added Editor::run
[Run] Added Command extension documentation
Removed references to LineNumberSearchStrategy
[Run] Created LineJumpAboveCommand
[Run] Created LineJumpBelowCommand