Issue Description:

The farming station seems to cause a division by zero when harvesting IC2 rubber trees
Crash log: crash-2018-05-22_22.35.31-server.txt

What happens:

Crash

What you expected to happen:

Rubber tree is properly harvested

Steps to reproduce:

1. Setup farming station with rubber trees around
2. Put axe, shears & tree tap into inventory (as told so by the text that pops up over the block)
3. wait for crash
   ...

---

Affected Versions (Do not use "latest"):

• EnderIO: 5.0.24
• EnderCore: 1.12.2-0.5.22
• Minecraft: 1.12.2
• Forge: 14.23.3.2698
• IC2: 2.8.76-ex112

Your most recent log file where the issue was present:

Crash log: crash-2018-05-22_22.35.31-server.txt