Minor improvements:

• Custom pragmas in redka.Options.
• redka.OpenDB function to use Redka with an existing database connection.
• LOLWUT command, which will give you an answer to any yes/no question you throw at it.
• macOS amd64 build, courtesy of @j178 (thanks, Jo!)

127.0.0.1:6380> lolwut
Ask me a question (⊃｡•́‿•̀｡)⊃

127.0.0.1:6380> lolwut Is Redis cool?
Without a doubt

127.0.0.1:6380> lolwut Is SQLite cool?
Yes definitely

127.0.0.1:6380> lolwut Will Redka succeed?
Better not tell you now