win32 gfxlib2: Use WM_GETMINMAXINFO to prevent window size truncation

http://www.freebasic.net/forum/viewtopic.php?f=3&t=20770
parser: Allow member access/string indexing directly on iif() and type()

This makes it nicer to access the results of these expressions, by allowing
member accessing directly, without the need to wrap iif() or type() in
extra parentheses.
cInitializer(): Set context dtype to allow anonymous type() for ctor calls