Merge pull request #572 from adamvi/master

Update SGPstateData and small bug fix
Update to README
Update to README
Merge branch 'master' of https://github.com/CenterForAssessment/SGP
Merge pull request #573 from adamvi/master

Clean up GA EOCT Math Progressions and add additional check for test.pro...
Update to Adams branch
Update to Adams branch
Update to Adams branch
Merge branch 'master' of https://github.com/CenterForAssessment/SGP
Merge pull request #574 from dbetebenner/master

Update to Adam's branch and update of README
Update to Adams branch
Update to Adams branch
Merge pull request #575 from dbetebenner/master

Update of README
data.table Bug fix in CSEM calculation when per student CSEM variable is provided
Merge pull request #576 from dbetebenner/master

data.table Bug fix in CSEM calculation when per student CSEM variable is...
Changing SGP URL
Changing SGP URL
Merge pull request #578 from dbetebenner/master

Updating URL and package version
Update of SGPstateData with WIDA data
Merge pull request #579 from dbetebenner/master

Update of SGPstateData with WIDA data