Apache PLC4X 0.13.1

New Features

• Extended the PlcRawByteArray to provide access to a List of
  USINT objects.

Incompatible changes

Bug Fixes

• When reading an array of bits, the old s7 driver seems to hang.
• The s7 driver causes issues when writing arrays of bits.
• The block optimizer used in s7-light causes errors, if a tag
  references the same byte multiple times.
• When using the new block-optimizer in the s7-light driver,
  when reading multiple BOOL values located in the same byte
  produces errors