Try to define Curve class
Go outside for newyear lunch
implementing some basic lens v0.1
Try network tree
Finish pan and zoom
Finish wordCloudLens v0.1
NetwrokTreeLens v0.1
barchartLens v0.1
paneing
pane has not been finished yet

how to smart open and close is a problem
paneV0.1
lens + lensPane is almost done
Try to implement history tree
History tree v0.1