Removed need for -Wnocast-qual on modern Clang/Xcode as a token of good behavior. Unfortunately the old stb_ decompress code is a little const clunky. + warning fix in stb_textedit which is already in master afaik.

InputText: Fixed pressing home key on last character when it isn't a trailing \n (#588, #815)

stb_textedit.h Merged from master 1.9 (merged bits from #473)

InputText(): Fixed state corruption/crash bug in stb_textedit redo logic when exhausting undo char buffer (#715 #681)

Fixed a crash bug in stb_textedit.h (#681)

stb_textedit.h: proposal for upstream PR to allow custom move-left/move-right handlers (following #473)

stb_textedit.h Local warning fixes

stb_textedit.h updated to 1.8 (our two main changes were merged now)

stb_rect_pack.h update to 0.08

InputText: update mouse drag on mouse move only & key input reposition selection bounds (better fix for #429)

InputText: stb_textedit.h tentative fix for End key on multi-line fields (#275)

Fixed Clang -Weverything warnings + TODO list entries

stb_textedit 1.4 fix signed/unsigned warnings

Initial release