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}
Download
{"form":"task","_id":"52dcc4561a4dff57b34e242726074d87"}

{"url":"\/task:45d7750270549363c2bc345c857724cb\/progress"}