Changes since 0.12.0:

• Added possibility to make changes to specfile between build retries
• Added CommitHashUpdater SPEC hook
• Added hackage versioneer
• Added support for uncompressed tar archives
• Created integration environment for test suite to isolate it from the internet
• Added --update-sources option to update sources file and upload new sources to lookaside cache
• Added --apply-changes option to apply changes.patch after successful rebase
• Implemented .gitignore update with --update-sources
• Added licensecheck checker for detecting license changes
• Added another not-so-verbose verbosity level
• Switched to requests library for downloads
• Made error messages from Koji builds more useful
• Reworked handling of downstream patches
• Changed package build process to build first SRPMs and then RPMs
• Divided checkers into categories running at different phases of rebase
• Koji build tool refactored to be better adjustable and extensible
• Colorized rebase-helper output and enhanced log messages
• Significatly improved rebase summary and report
• Extended README.md
• Cleaned up constants
• Refactored utils module
• Fixed TestConsoleHelper.test_get_message() test
• Fixed bug in rpmdiff output analysis
• Fixed some code styling errors and a large number of issues found by static analysis
• Fixed crash after failed rebase when no checkers were run
• Fixed abipkgdiff detecting changes in only one object file
• Fixed uploads to lookaside cache
• Fixed broken consequent build retries