Revert "Remove debug code"

This reverts commit 2c345ae69b1b0238076c17dcaf1af311a10f7eb9.
Revert "Functioning, altered comments and udp.getSampleHolder(id)"

This reverts commit fe8b1c717984933871cbd6eeb5b1802f7ef05a12.
Revert "Compiles, error from printouts"

This reverts commit 3d0ca01344b9c8794f4c2f3a21c12bf7092422c5.
Fixed -- sampleHolders without testingSequences no longer found in testing machines