__BLOCKS__ are undefined for Max OS X Mountain Lion (and Lion probably as well)
for #9
Bump version to 0.2.1, fixed test cases on Max Os X Mountain Lion,
removed QueueOutOfOrderExecModeEnable from the CommandQueue_Test as
clCreateCommandQueue accepts bitfield and c2hs cannot process them
properly
Merge pull request #11 from paulrzcz/master

Build error on Mac OS X 10.7.3 (Lion)