Catalog JSON output appears to be incorrect #94
Description
The catalog JSON data generated on the logger firmware and downloaded with the archived file (one-file download) appears to have a leading "{}" ahead of the actual data:
{}{"files":{"count":8,"detail":[{"id":0,"len":685,"md5":"AE132A4FA1B8695BFB1E465E6F35CB3C","url":"/logs/wibl-raw.0","uploads":0},{"id":1,"len":688,"md5":"01082CBEE9D7D10698FC9C5359438AF0","url":"/logs/wibl-raw.1","uploads":0},{"id":2,"len":1550,"md5":"34F23021A67688205260E046D9850222","url":"/logs/wibl-raw.2","uploads":0},{"id":3,"len":1547,"md5":"3796567483D5F5E11813BA2D04A7DA7A","url":"/logs/wibl-raw.3","uploads":0},{"id":4,"len":1538,"md5":"90571F5F9212A1839C3144B36A9BEE5C","url":"/logs/wibl-raw.4","uploads":0},{"id":5,"len":157843,"md5":"68A60DEB6C9D5C51862EA4F35082247C","url":"/logs/wibl-raw.5","uploads":0},{"id":6,"len":6516590,"md5":"084A1F1DB312E135FB5A78A23FE1E932","url":"/logs/wibl-raw.6","uploads":0},{"id":7,"len":1545,"md5":"74339235D03372147C9463AA62B2358E","url":"/logs/wibl-raw.7","uploads":0}]}}
That shouldn't be there, and will cause JSON parsing to fail. That needs fixin'