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.
