WOOD and PLNT turn grey when hot, bluish when cold
DTEC, generates a spark when something with it's ctype is nearby
Fix things melting with heat sim off

(caused by copy and paste, note that their airloss is all the same)
cold phot doesn't burn things
tpt.element also converts numbers to names
Change air tools to only act inside the brush, not in surrounding cells as well
Move DTEC to electronics menu
Version Increment
Fix MOTD string copy

The missing terminating null character in the string copy meant that
some of the previous message remained when the MOTD changed.
Fix bugs with energy particles in PIPE
Also fix bugs with energy particles that pass directly from PIPE to portal
Fix extra BUBW sometimes being produced when CO2 dissolves
fix directly sparking metal not heating it up, fix formatting, allowing update_particles_i to be parsed
VINE cool/burn effects like in PLNT, less sharp burn lines, fix infinite smoke from TNT
Remove old code
Merge branch 'master' of github.com:FacialTurd/PowderToypp
Use ifndef WIN instead of ifdef _unix
update build number, which was incorrect. Add an easy way for mods to ignore updates
Ensure directory enumeration works whether there's a path seperator at the end of the directory or not
Merge branch 'master' of github.com:FacialTurd/The-Powder-Toy