print and write logs to stdout, stderr and a logfile

Write string to logfile if logfilepointer is set.

string : str Message to write to logfile

Write error string to stderr and logfile if logfilepointer is set. Exit program with given error code.

string : str Message to write to stderr and logfile error_type : int used error_type, default 1

Write warning string to stderr and logfile if logfilepointer is set.

string : str Message to write to stderr and logfile

Write datetime and string to stdout and logfile if logfilepointer is set.

string : str Message to write to stdout and logfile. newline_before : bool Add newline before string, default False. newline_after : bool Add newline after string, default True.