OLScurve_0.2.0
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* mostely internal fixes, but some new plotting features added

OLScurve_0.1.3
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* standard error polygons added for subjplot function


OLScurve_0.1.2
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* major documentation additions, filling in the placeholders that were 
  previously there.
  
* removed .gitignore to avoid problems with Rstudio projects

* moved changes to NEWS, since it is better tracked within the R HTML 
  help guides
  