doc/history: added a note about vsizes
test/cluda/vsizes: removed debug print
cluda/vsize: added check for the same dimensionality of global and local size
Using row-major indexing in global and local sizes passed to compile_static() and kernel_call()
test/core/dummy: reduced block size to help the test pass on Apple CPU OpenCL
cluda/ocl: more correct max_num_groups for OpenCL
TODO: 0.3.4 finished