Version 0.9.20 Released — Concealed Intent Steam update #959383

It took a little longer than expected, but v0.9.20 is now up on Steam. The main addition in this build is the ability to challenge your Steam friends with a ship of your choosing, and a map of your choosing, with the turn time limit of your choosing. There are also a number of smaller fixes and improvements - many of which have been suggested by players. Thanks very much! A word of warning. I have tested this release over the last few days and fixed all the known bugs. However, a large amount of the codebase has changed (particularly in online play) to accommodate the new functionality. There may still be bugs or issues. If you find something broken or just "weird" please let me know. Next up is an enforced break for xmas holiday! Then sometime next week I'll get started on more Skirmish options, the first community requested feature! Plus of course the standard list of bug fixes and imp...