1.0.2.0 Update

I`ve modified retractable tracks so you can now make curved track on slopes (this is separate placeable with [curve] name). But you have to make the curve manually by placing every section by hand, also don`t forget to level the terrain so railway sleepers don`t sink into the ground. 

changelog 1.0.2.0:

-added retractable tracks for slope max 5 degree
-adjusted misaligned tracks

if you find some misalignment or bug make a screenshot and post it in the comments

I`m working on tanker now