Build #95:   Fix bundler version on travis bundler 2.x isn't compatible with old Gemfiles. on branch ruby_2_7_0_deprecations over 5 years ago

Build #18:   Fixed a bug with header parsing for signature with not existing values on branch v0.0.6 almost 11 years ago

Build #31:   relaxed dependencies, fixed styles on branch v0.0.11 over 9 years ago