Process all available TP with ITC hardware

[MichaelHuth]

Currently for ITC hardware only the last available TP in the background task is further processed.

If the task is late it happens that in the sampled data more than one TP is available. This can be used to process all available (yet unprocessed) TPs.

[t-b]

Let's tackle that after #49.

[t-b]

• Store all testpulses when storing full testpulses
• Evaluate all testpulses for TP MD, TP SD and TP while DAQ

[timjarsky]

Closing, no use case for this feature at this time. May reopen if automation with ACQ4 requires TP data from every TP.

[t-b]

Michael is currently working on #336. And we found out again that in TP acquistion we only evaluate the last TP (for ITC, Sutter) but all for NI. We already do evaluate all TPs with "TP during DAQ".

May reopen if automation with ACQ4 requires TP data from every TP.

Should that now be fixed?

[t-b]

@timjarsky See #102 (comment).