==================
Features
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- Add pipfile parser to parse all requirements from pipfile to requirement
format and generate pipfile hashes.
- Add towncrier.
- Reorganize and reformat codebase, refactor.
- Implement lockfile parser and allow it to output to requirements.txt format.
- Better parsing of named requirements with extras.
- Add constraint_line property for pip constraintfile input.
- Rewrite parser logic for cleanliness and consistency.
- Add lockfile parser and allow it to output to requirements format.
- Reorganize and format codebase, refactor code.
- Normalize windows paths for local non-vcs requirements.
Bug Fixes
---------
- Normalize windows paths for local non-vcs requirements.
- Fixed a bug which mixed posix-style and windows-style path separators for
relative paths.
- Raise an explicit error when handling the current directory as a requirement
if it isn't installable.
- Bugfix for local file requirements which had their URIs inappropriately
truncated.
- Requirement line output will now properly match the URI scheme supplied at
creation time.
- Fixed a bug with path resolution related to ramdisks on windows.
- Fix a bug which caused parsing to fail by adding extra whitespace to
requirements.
Vendored Libraries
------------------
- Vendored patched pipfile