skeleton

See #1, release log:

• 2372733 by @yegor256: #1 rake version up
• 6d12c0e by @yegor256: #1 typo
• da413a1 by @yegor256: #1 scan instead of split
• c0c8ec3 by @yegor256: #1 build is clean
• 42ff71a by @yegor256: #1 i-tests pass
• aec6146 by @yegor256: tests pass
• aa0ce3a by @yegor256: #1 more tests
• 61e791b by @yegor256: #1 typo
• b7dff9e by @yegor256: #1 first version

Released by Rultor 1.61.8, see build log