you're now able to set a custom error callback
updated makefiles -> see https://github.com/Dav1dde/gl3n/pull/10
updated readme
improved shader error-messages
made opengl error messages more verbose
changed default opengl version
added a check for null in checkgl, #3
moved std.string.format back into the debug-block, #3
If we are on Mac, the version should be 150
Added an emulated sampler for OSX
reworked parts of #5, samplers implement ISampler interface
renamed exceptions, improved EmulatedSampler docs
made set_data arg "auto ref"
added a vao implementation
removed set_attrib from VAO
fixed error callback
added remove to ITexture
no more regexes, thanks to our beloved GC
don't unbind after setting texture data