return terminal state to original on quit, extra error checking

tui/main.cpp

@@ -250,6 +250,8 @@ void interfaceSelect(WINDOW *window, QString interface) {
   }else{
     if(c == '0') {
       interfaceMenu(window);
+    }else{
+      interfaceSelect(window, interface);
     }
   }
 }
@@ -286,6 +288,7 @@ int main(int argc, char *argv[]) {
     //init_pair(9, COLOR_WHITE,   COLOR_GREEN);
   }else{
     printf("Your terminal does not support colors\n");
+    endwin();
     return 1;
   }