:bug: Fix a bug Reader.FS matches line separators.
:bug: Fix a bug DynamicClass.create() ignores given argument.
:white_check_mark: Add Quote, Reader, Writer, NF, NR, FT and RT in the context of runScript().
:white_check_mark: Add tests that Reader should reflect FS, RS, FQ to Iterator Rreader.open() returned.
:white_check_mark: Make Reader/Writer to use Encoding/DecodingException instead of RuntimeException.