New map: Elven Forest

New map: Elven Forest

New Block: Elven

Replicator:
Wood cost increase: 500->400
Cooldown between transformation: 3s->1s

Ash block:
When the tower is on highground: xp 1.3x

Improved Crossbow:
Range: +10
Leveling up: xp x2

Spiral:
Wood cost increase: 150->100
Starting cost of the tree: 100->25

Shredder:
Wood cost increase: 150->100
Starting cost of the tree: 500->300

Golem:
Fixed a bug where the golem levels up very slowly. Now it levels up slower than a regular tower, but it works as originally intended.