Optionaldata: IS_MAL_DataAll string properties in a raw format as it was received from LFS
Number of mods in this packet
0 unless this is a reply to a TINY_MAL request
8 + NumM * 4
SkinID of each mod in compressed format, 0 to MAX_MODS (NumM)
ReadonlyTypeUnique id of the connection that updated the list
Static ReadonlyMAX_
Mods ALlowed - variable size