Add new BIN_ID context property.

Also fix architecture detection on cuda to not use deprecated functions.
Add explaination to why we need this project.
Add readme for github repo.
doc.
Add bin_id to the GpuContext object.
typo
Merge pull request #18 from nouiz/doc

Doc
Fix cuda < 6.5 cc detection.
Fix syntax error on certain cython versions.
Check Opencl dev name and raise exception if not compliant
Typos in the exception message
Merge pull request #21 from marcino239/master

Fixing: Pygpu init function doesn't process opencl device
Merge pull request #22 from abergeron/maint

Add BIN_ID property to contexts
Fix broken indexing logic following the move to strb.
Merge pull request #23 from abergeron/maint

Fix broken indexing logic following the move to strb.