Fixed title bar text clipping issue (fix #128)

+ Update version number

imgui.cpp

@@ -1,4 +1,4 @@
-// ImGui library v1.31
+// ImGui library v1.32 wip
 // See ImGui::ShowTestWindow() for sample code.
 // Read 'Programmer guide' below for notes on how to setup ImGui in your codebase.
 // Get latest version at https://github.com/ocornut/imgui
@@ -2962,7 +2962,7 @@ bool ImGui::Begin(const char* name, bool* p_opened, ImVec2 size, float fill_alph
             }
 
             const ImVec2 text_size = CalcTextSize(name, NULL, true);
-            const ImVec2 text_max = window->Pos + ImVec2(window->Size.x - (p_opened ? (title_bar_aabb.GetHeight()-3) : style.FramePadding.x), style.FramePadding.y + text_size.y);
+            const ImVec2 text_max = window->Pos + ImVec2(window->Size.x - (p_opened ? (title_bar_aabb.GetHeight()-3) : style.FramePadding.x), style.FramePadding.y*2 + text_size.y);
             RenderTextClipped(text_min, name, NULL, &text_size, text_max);
         }
     }

imgui.h

@@ -1,4 +1,4 @@
-// ImGui library v1.31
+// ImGui library v1.32 wip
 // See .cpp file for documentation.
 // See ImGui::ShowTestWindow() for sample code.
 // Read 'Programmer guide' in .cpp for notes on how to setup ImGui in your codebase.