Steam Patch 23 December

Patch 1.26g:

• fixed isue that caused smoke trails to render incorrectly on some video cards
• thruster effect now fires when on auto-pilot
• fixed 1 million shots achievement completing with 10,000 shots achievement
• lowered Find Isotope achievements to 10, 100, 1000
• lowered Pickup Isotope achievements to 10, 100, 1000