Add Image panel.
Add key/char callbacks to Mouse element and support in GLFWGui
Extended keyboard support, and Key code map since lib does
not officially depend on glfw at all.
Add Scroll element and TextInput element.

Modify mouse so press/release gets mouse position

TextInput supports all basic text operations apart from selection.
Still need to have it auto-scroll on overflows. No wrap to be
implemented at present.
Man that's a whle load of crap.

input text working with auto-scrolling with pointer.
peeeeeeeeeew pew pew peeeeeeeeeeew
Improve tab completions.
Add groups, scroll bars (to scroll) and clean ups etc etc.
Add ogldebug from nape as glgui/Drawing.hx without nape dependency.
lalalalalalal