e19d944 Upgrade to Rubygems 3.0.3.

5 files Authored by pvalena 3 years ago, Committed by vondruch 3 years ago,
    Upgrade to Rubygems 3.0.3.
    
    Sync operating_system.rb with ruby package.
    Also enahnce .gitignore and .spec files.
    
        
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