Pin dependencies

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
@babel/cli (source)	devDependencies	pin	^7.1.2 -> 7.1.2
@babel/core (source)	devDependencies	pin	^7.1.2 -> 7.1.2
@babel/preset-env (source)	devDependencies	pin	^7.1.0 -> 7.1.0
coveralls	devDependencies	pin	^3.0.2 -> 3.0.2
mocha (source)	devDependencies	pin	^5.2.0 -> 5.2.0
nyc	devDependencies	pin	^11.9.0 -> 11.9.0
pre-commit	devDependencies	pin	^1.2.2 -> 1.2.2
prettier (source)	devDependencies	pin	^1.14.3 -> 1.14.3
should	devDependencies	pin	^13.2.3 -> 13.2.3
stream-to-string	devDependencies	pin	^1.1.0 -> 1.1.0
string-to-stream	devDependencies	pin	^1.1.1 -> 1.1.1

📌 Important: Renovate will wait until you have merged this Pin PR before creating any upgrade PRs for the affected packages. Add the preset :preserveSemverRanges your config if you instead don't wish to pin dependencies.

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[coveralls]

Pull Request Test Coverage Report for Build 50

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 98.947%

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Totals
Change from base Build 48:	0.0%
Covered Lines:	65
Relevant Lines:	65

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💛 - Coveralls