Override default ping settings

See #5, release log:

• c08546c: Override default ping settings...
• 148eef7: Override default ping settings...
• 35e5c5b by @yegor256: test scope
• 46bbe49 by @yegor256: doc
• 47f7eda by @yegor256: Merge pull request #4 from yeg...
• 2476755 by @yegor256: new version in README
• 37e8e18 by @yegor256: fmt
• a3eec4e by @yegor256: doc

Released by Rultor 2.0-SNAPSHOT, see build log