cIRT 1.3.2: Maintenance release

Changes

• Fix use of 'middle' argument by using 'given' in person().
  (#8)
• Bump requirements to using R 4.0.0 , Rcpp 1.0.8, and RcppArmadillo 10.8.1 or above.
  (#8)

cIRT 1.3.1: Maintenance release

Changes

• Added LazyData: true to DESCRIPTION to match with how the data
  documentation is called.
  (#3)

Documentation

• Added a pkgdown website that deploys to https://tmsalab.github.io/cIRT.
  (#3)

Deployment

• Switched from Travis-CI to GitHub Actions for R.
  (#5)

cIRT 1.3.0: Modernizing and a bugfix

Changes

• Updated package dependencies
• Enabled C++11 and OpenMP.
• Switched to allowing Rcpp to handle native registration

Bugfix

• Addressed issues in the choice generation procedure.

Documentation

• Improved in-line documentation.
• Added Authors' ORCIDs to DESCRIPTION.

Testing

• Enabled TMSA Lab's configuration for Travis-CI.

cIRT 1.2.1: Maintenance Release for R 3.4

Provided the necessary src/init.c file for R 3.4.

cIRT 1.2.0: Vignette Documentation Addition

Added two vignettes that cover the model estimation and simulation results in the package.

cIRT 1.1.0: Data Update

• Adds two columns to choice matrix: hard_q_id and easy_q_id.

cIRT 1.0.0: Initial Package Released to CRAN

Uploaded cIRT package to CRAN that contains the Choice Item Response Theory Methodology.