Changes in this release:

• Added TTF_GetFreeTypeVersion() and TTF_GetHarfBuzzVersion()
• Added support for Signed Distance Field rendering with TTF_SetFontSDF() and TTF_GetFontSDF()
• Added optional DPI-scaling of fonts, with the following new functions:
  TTF_OpenFontDPI()
  TTF_OpenFontIndexDPI()
  TTF_OpenFontDPIRW()
  TTF_OpenFontIndexDPIRW()
  TTF_SetFontSizeDPI()
• Added 32-bit character support with:
  TTF_GlyphIsProvided32()
  TTF_GlyphMetrics32()
  TTF_RenderGlyph32_Solid()
  TTF_RenderGlyph32_Shaded()
  TTF_RenderGlyph32_Blended()
  TTF_GetFontKerningSizeGlyphs32()
• Added functions to set direction and script when using Harfbuzz:
  TTF_SetDirection()
  TTF_SetScript()
• Added extended API for text measurement:
  TTF_MeasureText()
  TTF_MeasureUTF8()
  TTF_MeasureUNICODE()
• Added TTF_SetFontSize() to set font size dynamically
• Added 'Shaded' and 'Solid' text wrapped functions:
  TTF_RenderText_Solid_Wrapped()
  TTF_RenderUTF8_Solid_Wrapped()
  TTF_RenderUNICODE_Solid_Wrapped()
  TTF_RenderText_Shaded_Wrapped()
  TTF_RenderUTF8_Shaded_Wrapped()
  TTF_RenderUNICODE_Shaded_Wrapped()
• Added TTF_HINTING_LIGHT_SUBPIXEL for better results at small text sizes at a performance cost