* test: add more coverage
* docs: reorder and enhance typo
* docs(contributing): add more information about the npm scripts
* feat(statistics): add simple statistics
* feat(statistics): add more stats
* refactor(issues-processor): remove some options from the constructor
it should have been only useful for the tests
* feat(statistics): add stats for new stale or undo stale issues
* chore(rebase): handle rebase conflicts
* feat(assignees): add new option to avoid stale for assignees
closes#271
* test: add more coverage
* docs: fix readme format issue
* docs: reorder and enhance typo
* docs(contributing): add more information about the npm scripts