@add
* support multiple sessions
* support multiple color schematics (night, day, ...)
* support OS-specific notes information
@update
* add stability
* syscall information
* wrap gint display API
* menus interface
@add
* callgraph: add menu
* callgraph: Generate the callgraph even if a breakpoint has been placed after a subroutine.
@fix
* disable the UBC when we are in the "user" handler (more stability)
* the key [EXE] has been mapped by the GUI and exit the handler when pressed.