Added INDEX to top of imgui.cpp Explicit namespace prefix on all ImGui:: functions. Fixed some typos.
Added INDEX to top of imgui.cpp
Explicit namespace prefix on all ImGui:: functions.
Fixed some typos.

ocornut/imgui,zho7611/imgui,nProtect/imgui,benoitjacquier/imgui,sakishum/imgui,rmoorman/imgui,aimotive/imgui-glfw,usagi/imguixx,shaggytwodope/imgui,zho7611/imgui,Psybrus/imgui,aimotive/imgui-glfw,wangshijin/imgui,ghassanpl/imgui,neshume/imgui,mikesart/imgui,luiseduardohdbackup/imgui,bkaradzic/imgui,Flix01/imgui,xythobuz/imgui,usagi/imguixx,mikesart/imgui,Flix01/imgui,thennequin/imgui,ggtucker/imgui,ggtucker/imgui,GHF/imgui,thevaber/imgui,gyakoo/imgui,seanmiddleditch/imgui,elect86/imgui,wasikuss/imgui,xunmengfeng/imgui,emoon/imgui,nmlgc/imgui,GHF/imgui,nmlgc/imgui,xythobuz/imgui,elect86/imgui,Extrawurst/imgui,wasikuss/imgui,twigletguy/imgui,wangshijin/imgui,bagobor/imgui,nProtect/imgui,neshume/imgui,wflohry/imgui-addons,gamedeff/imgui,tom-seddon/imgui,gyakoo/imgui,ghassanpl/imgui,Psybrus/imgui,Pagghiu/imgui,benoitjacquier/imgui,luiseduardohdbackup/imgui,kylawl/imgui,nProtect/imgui,memononen/imgui,rxantos/imgui,kylawl/imgui,DXsmiley/FlexGUI,tpoechtrager/imgui,ggtucker/imgui,Extrawurst/imgui,redblobgames/imgui,xunmengfeng/imgui,cmaughan/imgui,thevaber/imgui,emoon/imgui,Flix01/imgui,tpoechtrager/imgui,ocornut/imgui,memononen/imgui,burningreggae/imgui,dougbinks/imgui,thennequin/imgui,cmaughan/imgui,tom-seddon/imgui,Pagghiu/imgui,shaggytwodope/imgui,burningreggae/imgui,bkaradzic/imgui,ocornut/imgui,sakishum/imgui,bagobor/imgui,bkaradzic/imgui,andresv/imgui,wflohry/imgui-addons,redblobgames/imgui,DXsmiley/FlexGUI,seanmiddleditch/imgui,cmaughan/imgui,dougbinks/imgui,rmoorman/imgui,gamedeff/imgui,andresv/imgui,twigletguy/imgui,cmaughan/imgui,rxantos/imgui