Log Message:
sysutils/py-pefile: Update to 2019.4.18

- 2016.3.4: Version 2016.3.4 of pefile now runs under Python 2.7 and
  Python 3 in addition to addressing a few of the long standing issues.

- 2016.3.28: Minor fixes, merged some pending pull requests.

- 2017.5.26: Maintenance release.

- 2017.8.1: Merged PRs: #180, #183, #190, #200, #202 and fixed a bug
  handling bytearrays under certain conditions.

- 2017.9.3: Merged PRs: #188, #169, #166, #165, #154, #174, and #210.
  I've also improved handling of some corner cases of files with
  invalid exports and improved the is_driver check.

- 2017.11.5: Merged PR #212 and fixed a few miscellaneous crashed
  parsing malformed files.

- 2018.8.8: This release incorporates the merged PRs and issues fixed
  since the last release.

- 2019.4.14: This release incorporates the merged PRs and issues fixed
  since the last release.

- 2019.4.18: This release incorporates the merged PRs and issues fixed
  since the last release.  These should speed up parsing of files with
  many ordinals or exports.