3.2.14:
 - Give --python precedence over --three/--two.
 - Improvements for lockfile output for specific problematic packages.
 - Bug fixes.
3.2.13:
 - Improved stderr output for --requirements.
 - Bug fixes.
3.2.12:
 - Disable colors by setting PIPENV_COLORBLIND=1 environment variable.
3.2.11:
 - Properly use pinned versions from Pipfile in Pipfile.lock
3.2.10:
 - Fix bugs.
3.2.9:
 - Remove remporary requirements.txt after installation.
 - Add support for --python option, for specifying any version of Python.
 - Read source Pipfile.lock.
3.2.8:
 - Lock before installing all depdendencies, if lockfile isn't present.
3.2.7:
 - Cache proper names for great speed increases.
3.2.6:
 - Bug fixes.
3.2.5:
 - Significant speed improvements for pipenv run and pipenv shell.
 - Shell completion via click-completion.
 - Perform package name normalization as best effort attempt.
3.2.4:
 - $ pipenv uninstall --all
 - Don't uninstall setuptools, wheel, pip, or six.
 - Improvements to Pipfile re-ordering when writing.
 - Fix proper casing mechanism.
 - Prevent invalid shebangs with Homebrew Python.
 - Fix parsing issues with https://pypi.org/simple.
 - Depend on 'pipfile' package.
3.2.3:
 - $ pip uninstall --dev
 - Minor refactoring.
 - Improved error messaging for missing SHELL environment variables.
3.2.2:
 - Better support for fish terminal.
3.2.1:
 - Ensure proper casing of all Pipfile-specified packages.
3.2.0:
 - Improved proper casing handling for mis-named packages.
 - Support for $ pipenv install django-debug-toolbar.
 - Minor cleanups.
 - Fix for Python 3.
3.1.9:
 - Bug fix.
3.1.8:
 - Bug fix.
3.1.7:
 - Actual Python 3 fix.
3.1.6:
 - Python 3 fix.
3.1.5:
 - Proper name resolver!
3.1.4:
 - $ pip install --requirements.
3.1.3:
 - Python 3 fix.
3.1.2:
 - Python 3 fix.
3.1.1:
 - Improved pip output (integrate with tool better).
 - Pass exit code of $ pipenv run commands.
3.1.0:
 - Check hashes upon installation!
3.0.1:
 - Oops, version jump.
 - Fix for $ pip uninstall --lock.
3.0.0:
 - Speed of locking improved.
 - Lock now uses downloads instead of installation functionality.
 - Lock fix.
 - Removed $ pipenv install -r functionality.
 - Removal of $ pipenv lock --dev.
 - Addition of $ pipenv install/uninstall --lock.
 - Preliminary (non-enforced) hash functionality.
0.2.9:
 - Enhanced–enhanced PEP 508 checking capabilities!
0.2.8:
 - Enhanced PEP 508 checking capabilities!
0.2.7:
 - Better workflow options for --three / --two.
0.2.6:
 - Fix for bash shell invocation.
 - Better support for comments in requirements.txt files.
 - Support for Pipfile's [[source]].
 - Pretty colors for help.
 - Refactors.
0.2.5:
 - Enhanced terminal resizing.
 - Cleanups from PRs: typos.
 - Better --where output when no Pipfile is present.
 - Fix for Python 3.
 - Rely directly on pexpect.
0.2.4:
 - Fix for bash shell.
0.2.3:
 - Support for Fish and Csh shells.
0.2.1:
 - Trove classifiers.
0.2.0:
 - Added support for $ pipenv --three / --two, for initializing virtualenvs with a specific Python version.
 - Added support for VCS-backed installs, including editables.
 - TODO: Still need to support non-git-backed VCS installations in Pipfiles.