Strings are always read a fixed length

[RobertoRoos]

Another one for the pile of string related issues: it looks like strings are read at a fixed 1024 characters in e.g. plc.read_by_name():

# pyads_ex.py:
    if type_is_string(data_type):
        data = (STRING_BUFFER * PLCTYPE_STRING)()

# constants.py:
STRING_BUFFER: int = 1024

Which seems unnecessary because the returned type of a string looks like "STRING(80)" and would contain the right size perfectly fine.

EDIT: Same for WSTRING (which is double-byte USC-2 encoded)