Update rack dependency to follow a more flexible syntax which allows developers to switch to rack 2.0 if needed.
Tests run OK when using rack 2.0.1:
cuba > gem list | grep rack
rack (2.0.1)
cuba > make
cutest ./test/*.rb
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Update rack dependency to follow a more flexible syntax which allows developers to switch to rack 2.0 if needed.
Tests run OK when using rack 2.0.1: