Hello!
I'm unable to download a folder which has "/" character in its name. 
Could you fix that?

$ ./megadl 'https://mega.nz/folder/fkUnCYAC#Uo5s9lBzcYOvoIxHJCcZgQ'
WARNING: Skipping FS node n1dTSCzR because it's name is invalid '01/18'
ERROR: EXP folder fs has multiple toplevel nodes? Weird!