Welcome to the site

So, for the fist time since 2012, we have some news (finally). The site has clearly moved beyond “Work-In-Progress” stage. Several new articles have been added, and most of the existing ones have been thoroughly overhauled. The comment system was completely purged because of the excessive volume of spam and currently comments are not allowed on this site, if you have questions etc. – use the “Contact administrator” functionality (link in the footer).