v1.2.0

Features & Improvements

• Change the behavior of --save-compatible slightly. Now the version specifier saved is using the REAL compatible operator ~= as described in PEP 440. Before: requests<3.0.0,>=2.19.1, After: requests~=2.19. The new specifier accepts requests==2.19.0 as compatible version. #225
• Environment variable ${PROJECT_ROOT} in the dependency specificaton can be expanded to refer to the project root in pyproject.toml.
  The environment variables will be kept as they are in the lock file. #226
• Change the dependencies of a package in the lock file to a list of PEP 508 strings #236

Bug Fixes

• Ignore user's site and PYTHONPATH(with python -I mode) when executing pip commands. #231

Improved Documentation

• Document about how to activate and use a plugin. #227

Dependencies

• Test project on pip 21.0. #235