Adding some prettifying text to comments in testSGP(6)
Merge pull request #712 from dbetebenner/master

Adding some prettifying text to comments in testSGP(6)
First commit of nfoldstudentGrowthPlots
Bumping version to 1.3-2.3
Bug fix in unfoldstudentGrowthPlots
Merge pull request #713 from dbetebenner/master

Bumping version to 1.3-2.3
Adding Nebraska baseline matrices
Merge pull request #714 from dbetebenner/master

Adding Nebraska baseline matrices