Define and use set_server_version
Add tests

-FIXME:
- compare support
- clean up
- run using valgrind

-README:
to write traces, please run:
./camel --write-traces \
	--config number=2 \ /* in how many servers you're running the tests */
	--config hostname=your_hostname0 \
	--config server_uri=your_server_uri0 \
	--config username=your_username0 \
	--config password=your_password0 \
	--config hostname=your_hostname1 \
	--config server_uri=your_server_uri1 \
	--config username=your_username1 \
	--config password=your_password1
Add traces