Feature: Adding enemy stat randomization options

[asilverthorn]

Adding enemy stat randomization options. Allows adjusting of enemy stats as sliders from their base value:

• Speed down to 25% up to 200% (min 1, max 128)
• Vigor down to 25% up to 400% (min 1, max 255)
• Magic down to 25% up to 200% (min 1, max 128)
• MDef down to 0% up to 150% (min 0, max 255)
• Defense down to 0% up to 150% (min 0, max 255)
• Accuracy adjustable by value +/- 100 (min 1, max 200)
• Evade adjustable by value -250 to 100 (min 0, max 250)
• MEvade adjustable by value -250 to 100 (min 0, max 250)

Tests of different ranges (Image on left is vanilla rom for comparison)
Minimum stats:

Maximum stats:

Random Stats: