GitLab

* overhaul `ContextSampler`

* refactor masakhapos

* move multi_target to `exact_match`

* remove doc_to_choice from `boolq-seq2seq`

* remove doc_to_choice in generation process_results

* Remove unused `doc_to_choice` and fix superglue whitespaces

* require multiple_inputs and multiple_targets to be explicitly set in taskconfig

* fix copa; better logging in task init

* fix doc_to_target to return int rather than str (deprecated)

* fix processing regression; recursively parse lists fron template

* remove redundant jinja parsing logic

* remove promptsource

* for multiple_inputs use `doc_to_text: list[str]``

* Refactor `ContextSampler` `fewshot_context`

* fix multiple_input context

* fix `target_delimiter` with `gen_prefix`

* `doc_to_text` is list for multiple_inputs

* Refactor `count_bytes` and `count_words` methods to `@staticmethod`

* make has_*(train/test/validation) to properties

* remove `multi_target` `generate_until`

* `fix doc_to_target/multiple_targets handling add tests

* rename `multi_target` to `multiple_targets`

* evalaute list when multiple targets

* allow doc_to_target to return list

* Remove gen_prefix space and add warning (#3239)

* Remove gen_prefix space and add warning

* fix null gen_prefix bug again

* use git tests

---------
Co-authored-by: Boaz Ben-Dov <bendboaz@gmail.com>