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Number 0001:
handling of raw values (hex) added to functions read_array and write_array: handling of raw values can be switched
on/off with additional parameter
Number 0002:
is a bugfix when reading the tag_list from a PLC. If one tag is of datatype bool and it is part of a bool
array within an SINT, the tag type value contains also the bit position.
Number 0003:
code is always logging into a file (pycomm.log) into working path. Code changed, so that it is possible to configure
the logging from the main application.