Version 1.3.0

- New parameters to select screen or tmux terminal emulators and to know if the caret character (^) must be escaped or not (problem reported by  Stephan Sahm.
- Changed the name of some parameters:
     t:vicle_screen_sn to t:vicle_session_sn
     t:vicle_screen_wn to t:vicle_session_wn