Improved documentation for enqueue_fill_buffer and enqueue_copy_buffer

Fixed link to pyopencl-complex.h in docs

I hope its okay to send a PR for such a minor thing.

Fix typo in InclusiveScanKernel arguments

Remove chatty compiler warnings when including pyopencl-complex.h in OSX by inlining all complex valued functions

See: https://github.com/pyopencl/pyopencl/issues/134

Make CommandQueue._get_cl_version device- (rather than platform-) specific (Fixes #168 on github)

See merge request !7

Apple AMD Radeon GPU bug-fix

compiler crash on AMD Radeon crad on Apple platform.
For this structed data pointers, ldata[:][:].value, are
replaced by temporal variables tmp and tmp_aux before passing to SCAN_EXPR.
To avoid leftover-worning tmp_aux was added to_PREFIX_WORDS.

Adapt doctest output to new version of numpy

See merge request !6

Fix ppc64le compilation.

Fix typo in GenericScanKernel

Fix kernel template decl order

See merge request !5

Add some amount of binary cache miss/hit logging

See merge request !4