visNetwork 0.2.1
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  * can now passing "list" options directly with data.frame with specific notation
  * add visSave for html file, and visExport to save as png/jpeg (shiny or browser only)
  * fix some bad interactions when highlightNearest/selectedBy/nodesIdSelection are set together
  * fix selectedBy & highlightNearest redraw when nodes have coordinates
  * new function visIgraphLayout to compute coordinates using igraph, and render faster !
  * init new function visIgraph to plot visNetwork object from igraph object
  * adding new methods available for a use in shiny with visNetworkProxy : visSetData, visStabilize, visStartSimulation, visStopSimulation,visGetPositions
  * to vis.js 4.12.0 : new color option for shadows
  
visNetwork 0.2.0
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  * introduce visNetworkProxy object for update & call method from shiny
  * fix bug placement for edges legend (sorry for that...!)
  * fix selectedBy with numeric values
  * introduce new options : can select initial value using 'selectedBy' and 'nodesIdSelection' (selected), 
  set HTML style (style) and add subset on data (values)
  * introduce new shiny return when using manipulation = TRUE
  * to vis.js 4.11.0
  
visNetwork 0.1.2
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  * new custom option : selectedBy, to add a selection on some nodes column
  * new option for highlightNearest : can now choose the degree of depth
  * to vis.js 4.9.0 Have a look to vis.js history !
  * fix visDocumentation for use RStudio and RStudio server viewer
  * new function visLegend for more custom legend on nodes and edges
  * use jsonlite rather rjson in case of gephi json file
    
visNetwork 0.1.1
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  * add font-awesome icons possibilities. See ?addFontAwesome
  * fix multiple network resize bug in shiny
  * to vis.js 4.8.2. Have a look to vis.js history !
  
visNetwork 0.1.0
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  * ready for CRAN submission
    
visNetwork 0.0.4
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  * remove bootstrap dependance
  * move to vis.js 4.4.0 so, a lot of changes...
    * new visConfigure function
    * new visInteraction function
    * new visLayout function
    * remove visTooltip
    * move and rename argument as vis.js change...
    * initialize some clustering function....
    * ....
  
visNetwork 0.0.3
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  * add shiny interaction when use nodesIdSelection

visNetwork 0.0.2
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  * Move highlight.nearest argument from visNetwork to visOptions, and rename as highlightNearest
  * Move id.selection argument from visNetwork to visOptions, and rename as nodesIdSelection
  * Move legend.width argument to visNetwork
