Add mp-restoring potions
Update README.md
More enemies have wood, Sand Sea has a boss
Add lightning and explosion effect images
Add ParticleContainer.createEffect
First pass at Fireball skill
Move enemy .psds to Assets/Enemies folder
Add Spider enemy
Fireball improvements
intermediate checkin
Add chain-lightning skill, fix enemy absPos
Performance optimization
Optimization tweaks
Add max-damage weapon mult, Axe weapon
Max-damage only affects physical
Add buildings, balance weapons
Stat have general prereqs
Add hard-coded keyboard shortcuts to skills
More upgrades
Minor bugfix, bosses have more health