Demon's Crest Randomizer Alpha

Several fixes / improvements:

• Improved randomization.
• Stages 5 & 6 could become unreachable under certain conditions.
• Reduce wait time after picking up fire/crest powerups on the map.
• Trio the pago included in randomizer. Minigame timer changed from 40s to 50s.
• Fixed some hp ups not exiting map.
• Fix grewon item drops.
• 48972765 fixes to crawler.
• can supply custom seed with "dcrando -s [some number]".
• New Phalanx stage 2 requirement: obtain all 5 vellums.