IRISMAN 3.08

Added mamba payload for 4.50 CEX made by Joonie.
Enabled mamba payload for 4.60 CEX (Thanks to Joonie, smhabib & EvilNat.
Also to Orion90, jinsatoemo & AladdinSK for the tests & contributions)

Known issue: there is a potential black screen on 4.60 loading the
manager a 3rd time without restart. Reported by jinsatoemo:

load manager-load game-start game-ok
quit game-load manager-load game-start game-ok
quit game-load manager-black screen