Synedit WordWrap and fix

[Borneq]

In my repository https://github.com/borneq/synedit-fpc in master branch is latest SynEdit from Lazarus sources, in branch feature_wordwrap is wrapper from https://bugs.freepascal.org/view.php?id=30395 with fix : regeneration real line numbers, in branch fix_expandtabs is fixed expander tab with non utf8 text (for example binary data), is independent from WordWrap, and in dev branch is applied all.