Added validIP() info to readme.

Signed-off-by: Tom Green <kingofcuddles@gmail.com>
Minor typo

Signed-off-by: Tom Green <kingofcuddles@gmail.com>
Added getIpAddress() method>

Signed-off-by: Tom Green <kingofcuddles@gmail.com>
Readme updates..

Signed-off-by: Tom Green <kingofcuddles@gmail.com>