refactoring

[Kvaz1r]

Fixed warnings which was found by go-critic linter

Corresponding log:

check-package: $GOPATH\src\github.com\thedevsaddam\gojsonq\helper.go:45:2: typeS witchVar: case 0 can benefit from type switch with assignment check-package: $GOPATH\src\github.com\thedevsaddam\gojsonq\helper.go:45:2: typeS witchVar: case 1 can benefit from type switch with assignment check-package: $GOPATH\src\github.com\thedevsaddam\gojsonq\helper.go:45:2: typeS witchVar: case 2 can benefit from type switch with assignment check-package: $GOPATH\src\github.com\thedevsaddam\gojsonq\helper.go:45:2: typeS witchVar: case 3 can benefit from type switch with assignment check-package: $GOPATH\src\github.com\thedevsaddam\gojsonq\helper.go:45:2: typeS witchVar: case 4 can benefit from type switch with assignment check-package: $GOPATH\src\github.com\thedevsaddam\gojsonq\helper.go:45:2: typeS witchVar: case 5 can benefit from type switch with assignment check-package: $GOPATH\src\github.com\thedevsaddam\gojsonq\helper.go:45:2: typeS witchVar: case 6 can benefit from type switch with assignment check-package: $GOPATH\src\github.com\thedevsaddam\gojsonq\jsonq.go:271:3: range ValCopy: each iteration copies 48 bytes (consider pointers or indexing) check-package: $GOPATH\src\github.com\thedevsaddam\gojsonq\jsonq.go:45:18: typeU nparen: could simplify to [][]query

[coveralls]

Pull Request Test Coverage Report for Build 190

• 10 of 10 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 187:	0.0%
Covered Lines:	768
Relevant Lines:	768

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💛 - Coveralls

[thedevsaddam]

Why replacerange with for loop? You must create an issue regarding this refactor before sending PR.

https://github.com/thedevsaddam/gojsonq/blob/master/CONTRIBUTING.md