Resolver gethostbyname first checks if the host string is a dotted ip address.
WIP http_client send and recv works, resp parsing broken

Lots of other string handling broken also.
WIP on http_client. Succesful receive of small text file.
Rudimentary W5300 monitor basic program. Requires TK2.
Remove test printf.
wget: initial set of files
wget: first working version