Extend user-defined exception from Exception instead of BaseException to follow Python oficial docummentation and make it possible to catch it using a generic Exception

Author: 4m1g0

kaitaistruct.py

@@ -409,7 +409,7 @@ def resolve_enum(enum_obj, value):
             return value
 
 
-class KaitaiStructError(BaseException):
+class KaitaiStructError(Exception):
     """Common ancestor for all error originating from Kaitai Struct usage.
     Stores KSY source path, pointing to an element supposedly guilty of
     an error.