Improved Spaceship Transfer and Various Bugfixes — Atomcraft Steam update #638411

This adds a feature that has been requested a couple times: ability to transfer a specific number of pixels in the Spaceship Inventory Screen! I think I found a pretty good way to do it, but let me know what you think; I'll probably add some more details.I also have been doing a bunch of bugfixes and quality-of-life things from what was reported during Next Fest. Here are some of them:Quality-of-Life: added a setting for lessening flashing when using laser or rocket launcher in darknessQuality-of-Life: added hint to the Upgrade Tooltip to make sure people know they can hold Shift to freeze the tooltip and click on the materials to open the Guide (appears if you have the Material Guide upgrade already)BUGFIX: added fix for a bug where the Hand tool could disappear from the toolboxBUGFIX: added procgen rule to ensure that there is at least one Ruby source room in the first layer of the Cav...