Improve interactive mode
Improve interactive mode

When using return in an interactive rule, the program will continue its
execution like if the user had pressed ^D.

haka-security/haka,nabilbendafi/haka,haka-security/haka,LubyRuffy/haka,lcheylus/haka,Wingless-Archangel/haka,lcheylus/haka,lcheylus/haka,nabilbendafi/haka,LubyRuffy/haka,Wingless-Archangel/haka,nabilbendafi/haka,haka-security/haka