Beta Version 89.2

• Better PROP tool, draws like any other tool and remembers last setting. The property selection window comes up as soon as you click it now.
• Fix crash when flood deleting VIRS
• Fix PHOT+HYGN reaction not taking place under some circumstances
• Reverted WIFI to previous delay amount
• Prevent black FILT
• Fix possible crash when modifying LIFE with the console
• Fix state transitions in id:1419883
• Insulators block ambient heat
• Improve "pretty powders", so that the deco doesn't interfere with state changes
• Fix Gravity wall areas not recalculating when deleting them
• Fix occasional missing pixels on the top / bottom of circle brush
• Fix holes in wall line drawing
• Signs can be moved onto the zoom window
• Fix crash when viewing corrupt saves
• Element search promotes exact matches first
• Fix comment box resizing bugs
• Pressing tab switches between textboxes in the deco editor
• Fix key repeat on Linux
• Fix lua crashes in the graphics and interface apis
• Bluescreen on lua panics instead of crashing
• Fixes to tpt.el.color and tpt.el.name
• Add tpt.screenshot support for PPM and BMP
• Add lua functions to get / set clipboard text; Add sim.deleteStamp function