incorrectly class attributes
Use full path to test data
Google Refine -> OpenRefine
Remove README.txt too
Refer to the archived message of David Huynh's original refine client
Be explicit server-originated errors are from server. Derive new project defaults.

sudo tcpflow -AH -c -e  -i lo0 src or dst host localhost and port 3335 | ruby -ractive_support/core_ext -ruri -lne 'next unless /^format=([^&]+)&options=(.*)/; format = URI.unescape($1); opts = URI.unescape($2) ; opts.gsub!(/"(\w+)"/) { %Q['\''#{$1.underscore}'\''] }; opts.gsub!(/:/,": "); opts.gsub!(/,/,",\n\t"); opts.gsub!(/(true|false)/) { $1.titleize }; puts "        '\''#{format}'\'': #{opts},"'
Default column name in OR 2.5 is "Column 1"
Use project_format instead of split-into-columns:false
Catch HTTP errors and report more diags
For OR 2.5 just rename the default column back to 'Column' (from 'Column 1')