Changes in version 2.0-5
  o Fixed bug with displacePart() function
Changes in version 2.0-4
  o Added citation info 
  o Fixed small bugs with particle simulations  

Changes in version 2.0-3
  o Fixed bug in simulating stacking faults for fcc structures
  o Fixed bug in calculating total scattering function for particles with box shapes
  o Got rid of package 'geometry' dependence 

Changes in version 2.0-2
  o Fixed bug in rss calculations in log scale
  o Fixed bug in parametric SqSAS calculations
  o Function scatterFactor added to calculate scattering factor as a function
  o Dimers can now be simulated  for a non-spherical particles