Xontrib-output-search

Support autocomplete for prefix with special chars:
bash
$ echo "Try https://github.com/anki-code/xontrib-output-search"
Try https://github.com/anki-code/xontrib-output-search
$ pip install git+xo<Alt+F>
$ pip install git+https://github.com/anki-code/xontrib-output-search

bash
$ echo "The id is 424242"
The id is 424242
$ curl https://test.com/id=4<Alt+F>
$ curl https://test.com/id=424242

Fixed tokens for empty results

New parser algorithm creates more clearer tokens

json` tokenizer renamed to `dict` and support python `dict`

Output search now works on any position of the command.

* Added previous command to tokenizer along with output:
bash
$ VAR='/hello/from:/var'; echo ok
ok
$ <Alt+F>
VAR
/hello/from
/var
...

* Improved env-like tokenizer