updated package.json to circumvent hammer bug and added node-watch.
Added _updateNodeIndexList() function to speed up force calculation by removing duplicate calculations.
removed _updateNodeIndexList from _setNodes. This is handled by _addNode
removed debug settings from _updateNodeIndexList()
node index patch  1
Implemented Clustering, still open TODOs
clustering added comments, fixed bugs
finalized clustering
refined clustering
added force calculation features for clustering
tweaks
clustering, looking for keypressevent
added MouseTrap for keybinding handling
clustering levels introduced
Seperated clustering functions in cluster object
started on clustering over area
DATASET: Added options flag for including internal ids, added test coverage for it
Included hubaggregation clustering, changed the launch sequence to speed up the loading of big data.
tweaked clustering
Added dataset get flag to return internal IDs and added tests