- Added first version of UI:
  Python generates a json file to read into the ui.html file.
  ui.js generates a force-directed layout from the JSON file.
- Added accessors to database classes
- Can create json file from HuntingTaskResults data.
- Added tooltip functionality to UI.
- Corrected "mutable defaults" error in database.py
- Corrected names of class atributes to not overlap with member functions
- Corrected graph-traceroute.py to create a graph using all the new code
- Replaced integer node names with string ids.
- Corrected database.py to actually use the HuntingTaskResults class
- Changed UI around a bit: Increased graph size, added popup css, fixed last node in graph.