Release v1.2.0

• adopt Arduino 3.x core builds
• remove 3rd party LinkedList lib dependency

Rel v1.1.1 - TimeSeries examples

• update examples with more detailed callback code

• example on how to create and use TimeSeries data collector

• code style formatting

• Averaging function for TimeSeries container

Rel v1.1.0

• add DummyPZEM004 device with emulated metrics
• add NullQ and NullCable objects

• trivial virtual destructors were missing body
• minor code refactoring

Rel v1.0.3

 + added  PZEM::resetEnergyCounter(), PZPool::resetEnergyCounter() methods
 * fix: PZPool::addPZEM() method unable to create new PZEM objects in the pool
 * some code and examples refactoring

Release v1.0.2

• fix stale data calculation
• fix IDF build with timeseries feature for IDF 3/4 and arduino core 1.x and 2.x
• fix incorrect byte shift for 4-byte values

Release v1.0.0

X-Mas release :)