--- version 1.2-2, May 2018

cBind, rBind (deprecated in Matrix package) changed to cbind, rbind

--- version 1.2-1, February 2017

Changes to reflect publication in JSS
Bug fixed in AccCost (mode="out"), thanks to Henjo de Knegt

--- version 1.1-9, July 2015

Changes to vignette based on JSS review

--- version 1.1-7, March 2015

Final touches for submission to JSS

--- version 1.1-6, January 2015

Final touches for submission to JSS
Correction in shorthestPath (bug reported by Sergei Petrov)
Dependencies and imports reflect new CRAN rules

--- version 1.1-5, February 2014

Updated to reflect changes in igraph
Changes in vignette
Changes in default method pathInc (overlap)

--- version 1.1.4, December 2012

Class changes to BasicRaster
Change from igraph0 to igraph 6
Change in as(x, "transitionMatrix") to speed up transition()
Update to the new adjacent method in raster

--- version 1.1-3, April 2012

Further adapting to naming changes in raster ("x" argument)
Making the same change in gdistance ("x" is the first argument in any function)
Bug fix in resistanceDistance: uncomment reproject
Improved documentation of definitions of different distance functions
Dependency on igraph0 -- to be changed to igraph 0.6 after May 31, 2012
Removed initialize functions, using prototypes instead

--- version 1.1-2, September 2011

Bug fix in transition(transitionFunction="barriers")
Methods added in transition()
Summary functions redefined
Adapting to changes in raster package (argument for Raster* objects is now always "x")
adjacencyFromTransition added
