Hotfix for 0.2.18 (crafting fix)

Quick hotfix [h2]Fixes[/h2] [list] [*] Fixed a bug where colonists wouldn't craft at machines when they should have [*] Fixed a bug where colonists would attempt to craft at machines when they should not have [*] Colonists will no longer "see" themselves puke [*] Added a log message when items explode from heat [/list] Have a nice holiday! Continue to submit bug reports and we'll fix em! - Tyler