Bump version to 1.0.0 (#1718)

CHANGELOG.md

 # Change Log
 
-## [Unreleased]
+## [1.0.0] - 2019-12-12
 
 ### Added
 
@@ -756,7 +756,8 @@ Initial release
 
 
 
-[Unreleased]: https://github.com/python-poetry/poetry/compare/0.12.17...master
+[Unreleased]: https://github.com/python-poetry/poetry/compare/1.0.0...master
+[1.0.0]: https://github.com/python-poetry/poetry/releases/tag/1.0.0
 [0.12.17]: https://github.com/python-poetry/poetry/releases/tag/0.12.17
 [0.12.16]: https://github.com/python-poetry/poetry/releases/tag/0.12.16
 [0.12.15]: https://github.com/python-poetry/poetry/releases/tag/0.12.15

poetry/__version__.py

-__version__ = "1.0.0b9"
+__version__ = "1.0.0"

poetry/repositories/pypi_repository.py

@@ -48,7 +48,7 @@ logger = logging.getLogger(__name__)
 
 class PyPiRepository(Repository):
 
-    CACHE_VERSION = parse_constraint("1.0.0b2")
+    CACHE_VERSION = parse_constraint("1.0.0")
 
     def __init__(self, url="https://pypi.org/", disable_cache=False, fallback=True):
         self._url = url

pyproject.toml

 [tool.poetry]
 name = "poetry"
-version = "1.0.0b9"
+version = "1.0.0"
 description = "Python dependency management and packaging made easy."
 authors = [
     "Sébastien Eustace <sebastien@eustace.io>"