FIXED: handle null pointers as data buffer in binary type during json serialization as an empty string
FIXED: handle null pointers as data buffer in binary type during json serialization as an empty string

https://tools.ietf.org/html/rfc4648#section-10

Ticket: #10655

twoporeguys/librpc,twoporeguys/librpc,twoporeguys/librpc,twoporeguys/librpc,twoporeguys/librpc,twoporeguys/librpc,twoporeguys/librpc,twoporeguys/librpc