.NEW IPlugin has now a posibbility to check the memory for a plugin
.UPDATE LogLine and Console now returns the current memory-consupmtion
.ADD SizeOf class added (helper providing the memory used for primitive
datatypes)
.BUGFIX [5] the EthSource did not reopen the file that should be printed
over ip if eof was reached.
.BUGFIX [6] Only non-empty lines will be published internally in the
software. 
.BUGFIX [6] If for a logline no timestamp could be parsed the previously
obtained timestamp will be used instead for this logline.
.UPDATE size of columns for Console-plugin adjusted
.UPDATE PluginManager prints out memory-consumption every 10 seconds
instead of each 2 secs