-a couple minor simplifications

modify the error analysis of big functions to try to calculate as much points as memory is available.

The operator()(i,k) reads its data using pread. This lead to drastic cut of the time fr the error analysis of about 30%
But now we have to ensure that the content of the stream is synced. Hence the new sync() method.

-Fix a couple of issues that it finds
-Add the ability to specify a port on which the server listens.

Fix the bug about tensorindices being a reference...

-fix destructor
-Use Rvalue references for the Letters
-Add a couple of new functions

Now debugging starts...

Add some code that logs the time of the connection to the master and the disconnect of the zombies to "additionalinfo.txt"