php8

Full Changelog: https://github.com/wagy/WinBinder/commits/php8

php72_winbinder_build 1.1

Expand wb_get_text for RTFEditBox with item = WBC_RTF_TEXT then return RTF format text
New function wb_append_text for RTFEditBox to append text (not format!)
Fix the memory problems when convert utf-8 to widechar Listview etc.

php72_winbinder_build 1.0

Merge pull request #3 from fawno/php7

AppVeyor scripts for automatic build