I'm using liquidsoap 1.3.4 now but there seems to be some problem in the way 
I'm getting metadata from MySQL. The function I'm using is the following:

# Function to get metadata from MySQL
def update_meta() =

  new_title = list.hd(
  get_process_lines(
    "mysql my_db -u user -ppassword -sNe \"SELECT Title FROM my_table WHERE 
id=1\""
  )
)

  new_artist = list.hd(
  get_process_lines(
    "mysql my_db -u user -ppassword -sNe \"SELECT Artist FROM my_table WHERE 
id=1\""
  )
)

  #A debug message
  print("Insert metadata title = #{new_title}")
  print("Insert metadata artist = #{new_artist}")

  5.0
end

Problem is, in the log it keeps printing:
Insert metadata title = <fun>
Insert metadata artist = <fun>

Probably it is getting something wrong in that "get_process_lines" requisition 
but I have no idea why..
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