Added support for latent variables (denoted by circles) in plots
Added support for edge labels with significant coefficients
Added support for latent variable loading labels
Added support for covariance edges
Corrected the direction of arrows for latent variable loadings
Added support for covariance edge labels
Added support for significance stars
Fixed bug caused by . in variable names
simplified the functions using the … argument
fixed significance stars to work with standardized and non-standardized coefficients
Changed significance stars so you can choose which parameters to use them with