added checked way to obain sub blocks
Update TileSpatialIOPort.java

fixed the Spatial-IO not being able to read/write custom spatial storage
Merge pull request #230 from thatsIch/checkedsubtype

added checked way to obain sub blocks
Merge pull request #234 from TrinaryBrain/patch-1

Update TileSpatialIOPort.java
Adds a button to the fuzzy card to filter by mod