RS485/LogisticsPipes — pull request #254 by ArtForz (2012-11-26 16:44:08+00:00)
Title: Add missing isClient checks in module and pipe ticks

Pipes should never extract/send items clientside.
Also make useEnergy return false clientside when energy use is disabled.
Probably fixes #251
Had some basic testing in SSP and SMP, appears to be working fine.