Don't let Rack::Static send a response until after we introspect a response from the API first.  If Rack wants us to try to pass along to other middlewares with X-Cascade, then look for static files to serve.
Don't let Rack::Static send a response until after we introspect a response from the API first.  If Rack wants us to try to pass along to other middlewares with X-Cascade, then look for static files to serve.

dansteele/redbox,ruby-grape/grape-on-rack,dansteele/redbox,dan-corneanu/grape-on-rack,dan-corneanu/grape-on-rack,dansteele/redbox,dblock/grape-on-rack,ruby-grape/grape-on-rack,ruby-grape/grape-on-rack,dan-corneanu/grape-on-rack,dblock/grape-on-rack,dblock/grape-on-rack