Version 0.1

Load tree
- simple newick
Tree display
- vertical
- circular
tree size
- readjust to fit screen - including a button for it : FIT
- zoom in and out using scroll button
- click and drag to move tree around
tree manipulation
- collapsing nodes
  - must resize the tree
frond end
- load tree from file only.
- tree display button opens sub-menu: vertical, circular
- fit screen button
code review + tests

Version 0.2

Load tree
- support for bootstrap and other values in branch labels.
Tree display
- draw branches support values
- change colors of nodes and branches of a selected child node
- change line width of branches
- change node sizes and shapes
- transparency of branches according to support values
Tree manipulation
- Tree re-root (attn to branch label placement)
- Ordering branch up and down.
Front end
- retracting toolbar with:
  - button to toggle support values
  - branch line width and color
  - node size and shape
  - ordering
  - re-root
- tool-tip with node information
- drop-down menu to change colors of inner nodes and specific branches
Misc
- save settings state in JSON
Code Review and Tests

Load tree
- ability to load JSON with settings.
Tree manipulation
- overwrite information on tree: node name and branch names.
- flip branch
Export
- Tree
  - PDF
  - Newick
- Settings
  - JSON
Front end
- export button + option to toolbar
- flipping option in node menu