texture_font_load_glyphs 'loading glyphes already loaded' problem resolved
added break in the 'for' test bloc of texture_font_load_glyphs
Merge pull request #17 from crakouille/master

texture_font_load_glyphs 'loading glyphes already loaded' problem resolv...
Added glDeleteShader to stop shader_load(...) from leaking shaders.
Merge branch 'master' of https://github.com/rougier/freetype-gl