Fix
* **lexikanon:** Simplify YAML configuration files ([`55def1f`](https://github.com/entelecheia/lexikanon/commit/55def1f4be3da40349017fbccb54464bf0d1ab52))
* **dependencies:** Upgrade hyfi to ^1.11.0 ([`1ea8090`](https://github.com/entelecheia/lexikanon/commit/1ea80909c640d871c2c5fc616683bc35de65087e))
* **lexikanon:** Add 'num_heads' and 'num_tails' options in 'dataset_extract_tokens.yaml', 'dataset_tokenize.yaml', 'tokenize.py' and 'extract_tokens' ([`07dec64`](https://github.com/entelecheia/lexikanon/commit/07dec647992eb14616be09c6d2edfb2d74ac2fa7))