More Achievements, Less Bugs

Added 11 new in-game achievements to Ficterra
Added 8 new Steam achievements to the game
Paint Chooser window now closes when pressing escape
Icons for some crafting recipes no longer have weird textures
Spiders now move correctly on half cubes
Fixed a bug causing descriptions to not show up from some crafting plans
Marble Tiles, Light Marble Tiles, and Angled Marble tiles now have descriptions
Clicking the exit button in the Cubeopedia now exits
Mining explosives now work on the client in multiplayer
Animals now follow correctly in multiplayer
Fixed a bug where the player would get removed from the game on the client in multiplayer when riding a surfboard too far
Offhand items should now show correctly for other players in multiplayer
Fixed a bug where you could be attacked by invisible enemies in multiplayer
Item instance data should now be correctly sent to the client in multiplayer / clients can now read books