0.5.0

• Remove accidentally included example data in release jar
• Table viewer updates
  • prevent text wrapping
  • fix coll of map indexing
  • sticky row and column headers
  • reduce padding to increase info density
• Allow window refresh and zoom in / out for portal.web
• Add pseudo portal atom

For jvm and web:

• portal.api/open will return an atom like thing
  • Use deref to get the current value viewed in portal
  • Use reset! to push a value into portal's history
  • Use swap! to apply a fn to the current value then reset! the
    result

For node and bb:

• portal.api/open will continue to return nil
  • bb support will be added when interfaces can be implemented
  • node support is hard since it can't block synchronously