Added tmux fallback in case output of last cmd is not available. Thanks dev2718!
0.5.4
Added `XONTRIB_OUTPUT_SEARCH_KEY_BINDING` env var to set custom [key binding](https://python-prompt-toolkit.readthedocs.io/en/master/pages/advanced_topics/key_bindings.html).
0.5.3
Fixed `Event handlers need a **kwargs for future proofing`.
0.5.2
Package maintenance
0.5.1
Transfer to tokenizer/xontrib-output-search
0.5.0
Switched to upstream [tokenize-output](https://github.com/tokenizer/tokenize-output) library