GREMLINS dev

• Add stop if convergence not reached and invitation to add more iterations

GREMLINS 0.2.0 - first CRAN release

• Support for Multipartite SBM inference
• Added a NEWS.md file to track changes to the package.

GREMLINS 0.2.1 - fixing bugs

• Removed the plot function and encourage users to use the sbm pacakge which depends on GREMLINS but is much more complete.