by debug.nas to turn on/off syntax coloring for dumped data (which
is desirable as compound data types can fill several screens with
rather hard to read data). Unfortunately, it can't be reliably deduced
from the OS whether ANSI colors are available or not.
- move "multiplayer chat" properties to where they belong
or of given frame
- add debug.string(<variable>). This returns the variable dump as
string.
- add var to module function variables to avoid collisions with module names
