Merge pull request #9 from lightness/feature/allow-multiple-repo-search

Allow search in multiple repos

Merge pull request #8 from lightness/feature/allow-search-by-repo

Allow search by single repo

Merge pull request #7 from lightness/refactor/extract-common-code

[REFACTOR] Extract common code to BaseReportService

Update package version up to 2.3.1

Merge pull request #4 from lightness/feature/api-support

Feature/api support

Merge pull request #3 from lightness/feature/token-by-command-line-args

Token can be passed by command line args

Fix scripts in package.json

Merge pull request #2 from lightness/feature/json-format

Json output support