Comments and organization of imgui.h

Slider: don't call RenderText() on empty label.

Slider: fix in the unlikely case that style.GrabMinSize is larger than a slider.

Internal renaming

Delete font clear pointer in ImGui state to get a clear crasah instead of a dangling pointer. #181

Fixed Begin() returning true on collapsed windows that loaded settings #176

ImVec2/ImVec4 no-parameters constructs init to 0.0f. Saner. Couldn't measure perf differences in a simple stress test compiled in Debug mode

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Fix uninitialized fields - MouseCursor set by first call to NewFrame()

Fix for Coverity static analysis

Fixed style.DisplaySafeAreaPadding handling from being applied on window that never were auto-fit

Fixed mouse wheel scrolling (broken 2 commits ago 9d16b85)

Warning fix in demo code

Caching current Font, FontSize into state for quicker/simpler access.

Version number 1.38 WIP

Comments on font loading, fixed commented out paths and added DroidSans in the list

Comments

Fixed new collapsed auto-resizing window with saved .ini settings not calculating their initial width #176

Selectable() fixed misuage of GetContentRegionMax().x

Changed new ImDrawList::AddLine() half_thickness to hickness, just in time for release

Version number 1.37

Auto contents size aware of enforced vertical scrollbar if window is large than display height.

Removed bool return value from BegniPopup() at the moment, it is meaningless. Tidying up.

Bounding box tests exclude higher bound, so touching items (zero spacing) don't report double hover when cursor is on edge

Added Haddock in the (popup) Aquarium

Sorting of windows for render doesn't do 3 pass stupidly. Made code a little closer to what it should become with a layering system

Fix for using tooltips within popup #126 - will need to rewrite the sorting/layering system shortly.

Renamed internal RenderSortedWindows -> WindowsSortBuffer + cleanup popup closing code

Refactored duplicated code into an inline function & made more readable

Fixed hovering bug introduced in ac2da570 when popup is inactive #126