BETA: Some Tropical Pack Towers Buffs

Version 0.99d

Tropical Pack Towers Buffs!

• Refrigerator Tower: Higher starting stats, receives a bigger bonus, gives more gold.

• Cannon Tower: Starting bonus to other towers is 2 and it doubles with each level.

• Turtle Tower: Blocks more damage at high levels.

And also other bug fixes and improvements regarding the Royal Pack Plus.