Update escodegen to the latest version 🚀

[greenkeeper]

Version 1.9.0 of escodegen just got published.

Dependency	escodegen
Current Version	1.8.1
Type	dependency

The version 1.9.0 is not covered by your current version range.

Without accepting this pull request your project will work just like it did before. There might be a bunch of new features, fixes and perf improvements that the maintainers worked on for you though.

I recommend you look into these changes and try to get onto the latest version of escodegen.
Given that you have a decent test suite, a passing build is a strong indicator that you can take advantage of these changes by merging the proposed change into your project. Otherwise this branch is a great starting point for you to work on the update.

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Commits

The new version differs by 5 commits.

• ce726e9 Version 1.9.0
• f82a685 Update dependencies
• 4640adf drop unsupported node versions from Travis config
• 7bd0e2e fixes #104: member expression on number may alter its raw value
• 719de30 fix: create regexp literal if possible (#308)

See the full diff

Not sure how things should work exactly?

There is a collection of frequently asked questions and of course you may always ask my humans.

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Your Greenkeeper Bot 🌴

[coveralls]

Coverage remained the same at 100.0% when pulling b7f03a8 on greenkeeper/escodegen-1.9.0 into 6889423 on master.