Namespaced Undo
Started view for undotree
Namespaced Undo
Added iterators
Fixed broken test
Basic tree visualisation
Merge branch 'feature/undo/refactor' of github.com:Derkje-J/programming-life into feature/undo/refactor

Conflicts:
	app/assets/javascripts/views/module._.js.coffee
	spec/javascripts/tree_spec.js
Wicked pdf implemented
Namespaced Undo
Started view for undotree
Added iterators
Fixed broken test
Basic tree visualisation
Added arrows
Merge branch 'feature/undo/refactor' of github.com:Derkje-J/programming-life into feature/undo/refactor

Conflicts:
	app/assets/javascripts/views/node.js.coffee
Revert "Started view for undotree"

This reverts commit a9d1af1b8a79bfaed0ac62004476e61d50bbf0c4.
Namespaced Undo
Added iterators
Fixed broken test
Basic tree visualisation