Update 7B: Game size reduced and small changes.

Update 7B changes:

-Abnormal game size happened in the previous update is fixed. Game is now 1.7 GB instead of 3 GB.

-E2M4 now connects to do E2M5.

-Credits updated.

-In Moti-Bolism skill, BP requirement to refill hp is increased from 300 to 600.