Gitin 0.2.7 -.8 -.9: better data-field-copy, and Ping!

0.2.9 Clean up a lot of bugs and adjust code for consistency.

0.2.8 Ping added: you can ping an IP address (v.4) with double-click on the label with the ip address in "Connect" screen.

0.2.7 Adjusted double-click to copy current data to new data field to edit