Update version number in sources

Added va_list variations of all functions taking ... parameters (from Andrea Pessino)

Warning fixes (from Andrea Pessino)

Moved IM_MALLOC/IM_FREE/etc. to IO structure members one can set at runtime.

Added IsPosHoveringAnyWindow()

Added IsMouseHoveringWindow(), IsMouseHoveringAnyWindow()

Tweak comments following feedbacks.

Added IO.FontBaseScale for global rescale. Renamed SetFontScale to SetWindowFontScale

Fixed wrong array size in header file (apessino)

Added version number in sources

Added extra_flags parameters to InputInt(), InputFloat(). Used in example code. Commented out broken ImGuiInputTextFlags_AlignCenter.

Added ImGuiInputTextFlags_EnterReturnsTrue

Added more comments in the code.

Minor tweaks to "Memory override" pull request

Memory override #3

Added IO.FontYOffset. Added asserts.

Remove IO.FontHeight, cached automatically. Added assertions.

Added SetCursorPosX, SetCursorPosY shortcuts

Checkbox() return true when pressed

Moved IMGUI_FONT_TEX_UV_FOR_WHITE define to a variable so font can be changed at runtime

Fixes to allow clean 1-pixel thick lines in more use cases. PixelCenterOffset not the same as previously!

Fixed ImGuiTextFilter triming of leading/trailing blanks. Documented "Filtering" section of demo better.

Fix type conversion compiler warnings (from dadeos)

Converted all Tabs to Spaces ...

Argh

Exposed CalcTextSize(), GetCursorScreenPos() for more advanced fiddling

Converted all Tabs to Spaces (git diff -w shows an empty diff)

Added global Alpha in ImGuiStyle + commented ImGuiStyle fields in .h

removed malloc/free proxy fwd declares

memory override attempt #2

minor fixes