binds...
* texbro: left double click loads directory, containing active shader
* texbro: left triple click loads 'common' directory
misc...
* updating texture browser height after thumbnail scale, min/max size, show shaders options changed
* tex bro: show textures option (to leave only shaders)
* tex bro: Show all (ctrl + a) toggles 'Hide unused' (typically: ctrl+a: get all used, once more ctrl+a: get all loaded)
* tex bro: 'flush and reload shaders' autoloads last selected dir
* tex bro: show alpha transparency option; def = yes
* tex bro: white+black stipple around shader thumbnails + is visible, while being selected
* filter toobar is not part of plugin one