Poetry 0.11.3 is out

Bugfix release.

Changes #

• Poetry now only uses TOML Kit for TOML files manipulation.
• Improved dependency resolution debug information.

Fixes #

• Fixed missing dependency information for some packages.
• Fixed handling of single versions when packaging.
• Fixed dependency information retrieval from .zip and .bz2 archives.
• Fixed searching for and installing packages from private repositories with authentication. (Thanks to @MarcDufresne)
• Fixed a potential error when checking the pyproject.toml validity. (Thanks to @ojii)
• Fixed the lock file not tracking the extras information from pyproject.toml. (Thanks to @cauebs)
• Fixed missing trailing slash in the Simple API urls for private repositories. (Thanks to @bradsbrown)