Added spin column barcode functionality, and performed code cleanup
Labware now only renders once
Merge pull request #37 from mikemases/Spin_Column_BC

Added spin column barcode functionality, and performed code cleanup
Merge pull request #38 from mikemases/Tube_Bug

Labware now only renders once
Model should update in the view every time
Merge pull request #39 from mikemases/Single_Render_Bug

Model should update in the view every time