Fix for hex_format display
Made more changes to the libettercap implementation. It will not include any UI related items if only compiling libettercap (LIBRARY_BUILD)
Modified GTK GUI to refresh hosts list automatically after scanning
Merge pull request #257 from eaescob/hexformat-fix

Fix for hex_format display
Merge pull request #258 from eaescob/libettercap-update

MOre changes to libettercap
Merge pull request #259 from eaescob/refreshhosts

Modified GTK GUI to refresh hosts list automatically after scanning
Setting dim to be the total length of dst + 1
Fixing return value of dim
Merge pull request #260 from eaescob/hexformat-fix

Setting dim to be the total length of dst + 1