Added better error message when the socket connect fails
Set xmit_table_msgs_per_row to 1000
Set xmit_table_msgs_per_row to 1024 and added description
Attempt to fix the tests in Maven

I configured the surefire plugin but it doesn't seem to know how to run
each XML test suite in its own JVM, with its own settings. Group filtering
doesn't work either, so it just runs all the tests in one go.

That results in an OutOfMemoryError, so I disabled tests by default.