Add autocompletion on linked cells with running kernels
Bind Tab key to either completion or indentation
Add tab completion for cells without running kernels

Add tab completion for cells without running kernels
Fix bug with linked cells
Stop tab completion after end of identifiers
Add object detail view on pressing Tab after `name?` or `name??`
Bugfixes
Always open dialog below cursor; keep focus on textbox
Open dialog on Tab after left parenthesis
Add comment
Merge pull request #416 from ihanson/tab-completion

Tab completion
Make textbox wider by default to better match slider
Make created controls not self-updating if there is an update button present
Display all controls when layout is a dict
Provide more user-friendly error messages for invalid permalinks
Using max-height with CodeMirror’s autoresize causes the scroll wheel to not work
Merge pull request #412 from ihanson/permalink_err

more friendly error messages for permalinks
Merge branch 'master' of github.com:sagemath/sagecell
Fix scrollwheel and codemirror max-height interactions
Add a state method to interacts to retrieve or set the state