Aboutcode-toolkit

* Add support for `package_url` 396
* Fixed 443 and 444 issue with multiple licenses/license_files
* Fixed 442 no special characters allowed for `license_key`, `license_name` and `license_expression`
* Fixed 446 Better error handling

2020-08-11

* Enhance the `transform` to also work with JSON file
* Update transform code (See 427 and 428)
* Fixed 431 - Error handling for empty "_file" fields
* Fixed 432 - Handled UTF-8 variant invented by Microsoft
* Fixed 433 - problem was caused by the different multi-lic file format between json and CSV (CSV with '\n' line break)
* Fixed 436 - issue about copy with the `--reference` option
* Fixed 396 - support for alternative output for Android

2020-05-05

* Upgrade license-expression library to v1.2
* Fix the missing `multi_sort` filter for Jinja2
* Update help text for `--vartext`

2019-10-17

* Declare to follow SemVer for versioning schema
* Update REFERENCE.rst and README.rst
* Update license-expression library


2019-10-09

* Support filenames/path with special characters 310 378 392
* Update ABOUT file format to match the specification
* Log version of which AbcTK was used 397
* Fix the licenses (key, name, file) not in sync issue 406
* Correct invalid msg for boolean fields 403
* Remove the `about_file_path` key/column from input/output 364
* Use ',' to support multiple files 404
* Fix bugs in `transform` 408, 412

2018-11-15

* Update the list of common license keys
* New UrlListField introduced for list of urls
* The UrlField is now only taking single URL value
* The owner is now a StringField instead of ListField
* Format the ordering of the generated ABOUT file (See https://github.com/nexB/aboutcode-toolkit/issues/349#issuecomment-438871444)
* '+' and '(' and ')' is now supported in license_expression
* The key 'about_resource_path' is removed
* Revert back the requirement of the 'name' field
* Add a new supported 'internal_use_only' key

2018-10-23