Great-expectations

[ENHANCEMENT] CLI supports s3a:// or gs:// paths for Pandas Datasources (issue 2006)
[ENHANCEMENT] Escape $ characters in configuration, support multiple substitutions (2005 & 2015)
[BUGFIX] Fixed bug where slack messages cause stacktrace when data docs pages have issue
[DOCS] Remove incorrect doc line from PagerdutyAlertAction (Thanks NiallRees!)
[MAINTENANCE] Fix path for how-to guide (Thanks gauthamzz!)

* [BUGFIX] replace black in requirements.txt

[ENHANCEMENT] Implement expect_column_values_to_be_json_parseable in spark (Thanks mikaylaedwards!)
[ENHANCEMENT] Fix boto3 options passing into datasource correctly (Thanks noklam!)
[ENHANCEMENT] Add .pkl to list of recognized extensions (Thanks KPLauritzen!)
[BUGFIX] Query batch kwargs support for Athena backend (issue 1964)
[BUGFIX] Skip config substitution if key is "password" (issue 1927)
[BUGFIX] fix site_names functionality and add site_names param to get_docs_sites_urls (issue 1991)
[BUGFIX] Always render expectation suites in data docs unless passing a specific ExpectationSuiteIdentifier in resource_identifiers (issue 1944)
[BUGFIX] remove black from requirements.txt
[BUGFIX] docs build cli: fix --yes argument (Thanks varunbpatil!)
[DOCS] Update docstring for SubdirReaderBatchKwargsGenerator (Thanks KPLauritzen!)
[DOCS] Fix broken link in README.md (Thanks eyaltrabelsi!)
[DOCS] Clarifications on several docs (Thanks all!!)

* [FEATURE] Add PagerdutyAlertAction (Thanks NiallRees!)
* [FEATURE] enable using Minio for S3 backend (Thanks noklam!)
* [ENHANCEMENT] Add SqlAlchemy support for expect_compound_columns_to_be_unique (Thanks jhweaver!)
* [ENHANCEMENT] Add Spark support for expect_compound_columns_to_be_unique (Thanks tscottcoombes1!)
* [ENHANCEMENT] Save expectation suites with datetimes in evaluation parameters (Thanks mbakunze!)
* [ENHANCEMENT] Show data asset name in Slack message (Thanks haydarai!)
* [ENHANCEMENT] Enhance data doc to show data asset name in overview block (Thanks noklam!)
* [ENHANCEMENT] Clean up checkpoint output
* [BUGFIX] Change default prefix for TupleStoreBackend (issue 1907)
* [BUGFIX] Duplicate s3 approach for GCS for building object keys
* [BUGFIX] import NotebookConfig (Thanks cclauss!)
* [BUGFIX] Improve links (Thanks sbrugman!)
* [MAINTENANCE] Unpin black in requirements (Thanks jtilly!)
* [MAINTENANCE] remove test case name special characters

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What’s Changed

* [ENHANCEMENT] Add expect_compound_columns_to_be_unique and clarify multicolumn uniqueness
* [ENHANCEMENT] Add expectation expect_table_columns_to_match_set
* [ENHANCEMENT] Checkpoint run command now prints out details on each validation 1437
* [ENHANCEMENT] Slack notifications can now display links to GCS-hosted DataDocs sites
* [ENHANCEMENT] Public base URL can be configured for Data Docs sites
* [ENHANCEMENT] SuiteEditNotebookRenderer.add_header class now allows usage of env variables in jinja templates (thanks mbakunze)!
* [ENHANCEMENT] Display table for Cramer's Phi expectation in Data Docs (thanks mlondschien)!
* [BUGFIX] Explicitly convert keys to tuples when removing from TupleS3StoreBackend (thanks balexander)!
* [BUGFIX] Use more-specific s3.meta.client.exceptions with dealing with boto resource api (thanks lcorneliussen)!
* [BUGFIX] Links to Amazon S3 are compatible with virtual host-style access and path-style access
* [DOCS] How to Instantiate a Data Context on a Databricks Spark Cluster
* [DOCS] Update to Deploying Great Expectations with Google Cloud Composer
* [MAINTENANCE] Update moto dependency to include cryptography (see spulec/moto/3290)

* [ENHANCEMENT] Update schema for anonymized expectation types to avoid large key domain
* [ENHANCEMENT] BaseProfiler type mapping expanded to include more pandas and numpy dtypes
* [BUGFIX] Allow for pandas reader option inference with parquet and Excel (thanks dlachasse)!
* [BUGFIX] Fix bug where running checkpoint fails if GCS data docs site has a prefix (thanks sergii-tsymbal-exa)!
* [BUGFIX] Fix bug in deleting datasource config from config file (thanks rxmeez)!
* [BUGFIX] clarify inclusiveness of min/max values in string rendering
* [BUGFIX] Building data docs no longer crashes when a data asset name is an integer 1913
* [DOCS] Add notes on transient table creation to Snowflake guide (thanks verhey)!
* [DOCS] Fixed several broken links and glossary organization (thanks JavierMonton and sbrugman)!
* [DOCS] Deploying Great Expectations with Google Cloud Composer (Hosted Airflow)

* [FEATURE] Add ``expect_column_pair_cramers_phi_value_to_be_less_than`` expectation to ``PandasDatasource`` to check for the independence of two columns by computing their Cramers Phi (thanks mlondschien)!
* [FEATURE] add support for ``expect_column_pair_values_to_be_in_set`` to ``Spark`` (thanks mikaylaedwards)!
* [FEATURE] Add new expectation:`` expect_multicolumn_sum_to_equal`` for ``pandas` and ``Spark`` (thanks chipmyersjr)!
* [ENHANCEMENT] Update isort, pre-commit & pre-commit hooks, start more linting (thanks dandandan)!
* [ENHANCEMENT] Bundle shaded marshmallow==3.7.1 to avoid dependency conflicts on GCP Composer
* [ENHANCEMENT] Improve row_condition support in aggregate expectations
* [BUGFIX] SuiteEditNotebookRenderer no longer break GCS and S3 data paths
* [BUGFIX] Fix bug preventing the use of get_available_partition_ids in s3 generator
* [BUGFIX] SuiteEditNotebookRenderer no longer break GCS and S3 data paths
* [BUGFIX] TupleGCSStoreBackend: remove duplicate prefix for urls (thanks azban)!