Adding to root node lookup lazy children instance
Speeding up node search and selection by looking into the existing child nodes even if the node is still loading
Searching in all navigators (#115)
Using segmented button styles on OSX for the filter buttons (#27)
Separating the tabular model from the visualization.
Adding basic XLSX visualization (#186)
Merge pull request #83 from fierarul/master

XLSX visualization, segmented filter buttons on OSX, faster node selection, search in all navigators.