Remove internal texture::get_id function
Merge pull request #101 from tomaka/cleanup-texture-id

Remove internal texture::get_id function
`depth_functions` in `DrawParameters` is no longer an `Option`
Merge pull request #104 from tomaka/change-depth-func

`depth_functions` in `DrawParameters` is no longer an `Option`
Rework UniformValueBinder
Merge pull request #105 from tomaka/rework-uniformvaluebinder

Rework UniformValueBinder
Rework indices source for cleaner implementation
panic! if there was a problem during buffer creation
Merge pull request #107 from tomaka/check-buffers

panic! if there was a problem during buffer creation
Merge pull request #106 from tomaka/rework-indices

Rework indices source for cleaner implementation
Now reflecting program attributes
Using reflected attributes instead of querying them
Fixes in attribute reflection
Merge pull request #108 from tomaka/reflect-attributes

Now reflecting program attributes
Add VertexBuffer::new_raw
Merge pull request #109 from tomaka/vb-new-raw

Add VertexBuffer::new_raw
The program_linking_error is now ignored instead of commented out
Implement Error for ProgramCreationError
Remove unnecessary synchronization when drawing
Merge pull request #110 from tomaka/remove-sync

Remove unnecessary synchronization when drawing