Release version 2.1.4b1

• Fix an error during the import of node connector information from files.
• Fix errors during modbus decode of 16 bit registers.
• Automatically create documentation stubs when creating the documentation using sphinx make.
• Fix handling of results in live connector in case of disconnect (don't loose all values).
• Repaired clipping of observations to 0 when normalization wrapper is activated for RL environments.
• Updated agents to work with stable baselines3 > 1.6.
• Separate repeatedly used functionality into BaseEnv and improve step functions of base environments.
• Don't check if name is in state when getting observations from environment.
• Use reset function from stable baselines vectorizers in environments.
• Fix interaction of MPC agent with environment and update to pyomo > 6