Improve Reentrancy

As shared by Martin Nöhrer on vipm.io:

• S7COMM - Parse Response.vi: Reentrance Issues Change property to shared Clone
• S7COMM - Parse Response - Decode Read Item - Split Data Array.vi: Reentrance Issues Change property to shared Clone
• S7COMM - Parse Response - Evaluate Header.vi: Reentrance Issues Change property to shared Clone