fixed string interpolation
version bump
run all tests
fixed fribidi.pl and added debugging options
add get_bidi_type_name to the export list
added type_names to TB::Paragraph
fixed bugs, added options to fribidi.pl
added fribidi version info
added version info to the tests
added version info to fribidi.pl
v2.07

        * Added functions for retrieving version of libfribidi and Unicode
        * Added method type_names() to Text::Bidi::Paragraph
        * get_bidi_type_name() in Text::Bidi is now exportable
        * Added debugging options --hex, --types, --verbose ... to fribidi.pl
        * Fixed bugs in fribidi.pl
        * Fixed bug with variable interpolation in Constants.pm