Patch in-place

Would be awesome if sol could patch a file in-place (like `sed -i`), or generate a diff that could be apply with `patch`.

Now I achieve it with:

```shell
sol -p -c -b -r -a -s -jqobj -jqarr -jqop comma -f testdata/args-in.sh | diff -u testdata/args-in.sh - | patch
```