- bugfix - NB65 API not setting "ip initialized" flag correct, hence extra DHCP inits occuring

0.9.8
	- created stubs for TCP functions
	- split nb65 cart images into 8k (UDP only - green) & 16k (UDP+TCP - purple) images
0.9.7
	- tweak directory listing code in server so $ works by itself
	- client & server updated to support subdirectories (prefixed by $)