* implement draw clipping using opengl stencil buffers
* allow to create Widgets by style name with g_ui.createWidgetByStyle
* styles can now have children widgets
* make proper use of the isNotPathable in pathfinding
* add scrollbar skin
* show otclient version in background
* disable about module (don't really need it)
* new function for formating strings like sprintf, Fw::formatString
* new nice background (taken from RPG maker XV)
* update contact information in README
* fix text rendering issues with opacity