collpcm 1.2

Minor changes

• Added checks for bad values of latent space dimension argument in collpcm.fit()
• Removed erroneous reshaping of the latent position array samples in collpcm.fit(); this code had no impact as its effect was undone in a later reshaping step
• plot function for collpcm class changed to automatically include pie charts of membership

Larger changes

• Rewrite of the collpcm.control() function for better clarity
• collpcm.fit() now has a native implementation of Procrustes matching which was previously sourced from vegan package
• A vignette has been added to this version