fix of array exporting in json export mode
fix of array exporting in json export mode

workshare/ejdb,Softmotions/ejdb,achoy/ejdb,almightycouch/ejdb,almightycouch/ejdb,achoy/ejdb,safx/ejdb,Softmotions/ejdb,workshare/ejdb,Softmotions/ejdb,Softmotions/ejdb,Softmotions/ejdb,Softmotions/ejdb,Softmotions/ejdb,achoy/ejdb,Softmotions/ejdb,almightycouch/ejdb,safx/ejdb,dmigous/ejdb,achoy/ejdb,safx/ejdb,dmigous/ejdb