Log Message:
security/ruby-rex-rop_builder: update to 0.1.4

0.1.4 (2020-11-30)

* update spec to require Ruby 2.2.0 or greater
* relax dev bundle and update authors …
	- Allows bundle with latest bundler
	- Updates authors to reflect current maintainers
	- Update travis to test with 2.7.2
* Land #1, Update gemspec