covsim 1.0.0

Third release. Accompanies journal publication in JSS.

covsim 1.1.0

rIG: The A matrix is now triangular by default

rPLSIM: Added tests for whether an identical pair has been calibrated. This speeds up rPLSIM if has many identical values, and skewness and kurtosis values are identical.

vita: Now checks margins are correctly named.