^C shouldn't occur in history

[wzy]

To Reproduce

1. Enter cling
2. Press #include <string.h>, then type <C-C>
3. type <C-D> to exit cling
4. Enter cling again
5. type <C-P><C-P> to get the last input history

Expected behavior

#include <string.h>

Acctual behavior

#include <string.h>^C

$ cling
[cling]$ #include <string.h>^C
[cling]$ .q
$ cling
[cling]$ <C-P><C-P>
[cling]$ #include <string.h>^C

Setup

1. Cling version 0.9
2. Operating system 6.2.7-arch1-1
3. How you obtained Cling, such as with cpt.py (also mention flags) / you built it yourself.
   pacman

Additional context