added - getProxy (public) changed: - renamed previous existing `getProxy` to `fetchProxy`
changed: - `ProxyTools::hasToUseProxy()` is now public
added: - unicode string function/class (php 7.1 compatible with string) changed: - refactoring - namespace from util to utils
fixed: - proxy context config for https
added - proxytools - contains - tests changed - deprecated startsWith, endsWith, contains with php8