New experiment

Select file
    {"url":"http:\/\/rnassess.cs.put.poznan.pl\/task\/upload","multi":false,"name":"target","required":true,"anon":false}
    Add file
      {"url":"http:\/\/rnassess.cs.put.poznan.pl\/task\/upload","multi":true,"name":"models","required":true,"anon":false}
      {"form":"task","_id":"bf462921ee3bbf4d96dda12145dac5df"}